Ask Difference

Light vs. Opacity — What's the Difference?

Light vs. Opacity — What's the Difference?

Difference Between Light and Opacity

ADVERTISEMENT

Compare with Definitions

Light

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths).

Opacity

The quality or state of being opaque.

Light

The natural agent that stimulates sight and makes things visible
The light of the sun
The lamps in the street shed a faint light into the room

Opacity

Something opaque.

Light

An expression in someone's eyes indicating a particular emotion or mood
A shrewd light entered his eyes
ADVERTISEMENT

Opacity

Obscurity; impenetrability.

Light

Understanding of a problem or mystery; enlightenment
She saw light dawn on the woman's face

Opacity

Dullness of mind.

Light

An area of something that is brighter or paler than its surroundings
Sunshine will brighten the natural lights in your hair

Opacity

(uncountable) The state or quality of being opaque, not allowing light to pass through
We could not see the sandbar due to the opacity of the muddy water.

Light

A device used to produce a flame or spark
He asked me for a light

Opacity

(uncountable) The state or quality of being inaccessible to understanding.
The opacity of these decisions is troubling.

Light

A window or opening to let light in
The bedroom has a wide bay with leaded lights

Opacity

A measure of relative impenetrability to electromagnetic radiation such as light.
The opacity of a clean glass window is near zero.

Light

A person eminent in a particular sphere of activity
Such lights of Liberalism as the historian Goldwin Smith

Opacity

The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.

Light

(in a crossword puzzle) a blank space to be filled by a letter.

Opacity

Obscurity; want of clearness.

Light

Provide with light or lighting; illuminate
Lightning suddenly lit up the house
The room was lit by a number of small lamps

Opacity

The phenomenon of not permitting the passage of electromagnetic radiation

Light

Make (something) start burning; ignite
Allen gathered sticks and lit a fire

Opacity

Incomprehensibility resulting from obscurity of meaning

Light

Come upon or discover by chance
He lit on a possible solution

Opacity

The quality of being opaque to a degree; the degree to which something reduces the passage of light

Light

Descend
From the horse he lit down

Light

Having a considerable or sufficient amount of natural light; not dark
The bedrooms are light and airy

Light

(of a colour) pale
Her eyes were light blue

Light

Of little weight; not heavy
They are very light and portable
Light alloy wheels
You're as light as a feather

Light

Not strongly or heavily built or made
Light armour
Light, impractical clothes

Light

Relatively low in density, amount, or intensity
Light autumn rains
Passenger traffic was light

Light

(of food or a meal) small in quantity and easy to digest
A light supper

Light

Gentle or delicate
She planted a light kiss on his cheek
My breathing was steady and light

Light

(of entertainment) requiring little mental effort; not profound or serious
Pop is thought of as light entertainment
Some light reading

Light

(of a woman) having many casual sexual encounters or relationships.

Light

Electromagnetic radiation that is visible, perceivable by the normal human eye as colors between red and violet, having frequencies between 400 terahertz and 790 terahertz and wavelengths between 750 nanometers and 380 nanometers. Also called visible light.

Light

Electromagnetic radiation of any frequency or wavelength.

Light

The sensation of perceiving light; brightness
A sudden light that made me blink.

Light

A source of light, especially a lamp, a lantern, or an electric lighting fixture
Turn out the lights when you leave.

Light

The illumination derived from a source of light
By the light of the moon.

Light

The particular quantity or quality of such illumination
Moved the lamp closer to get better light.

Light

The pathway or route of such illumination to a person
You're standing in his light.

Light

A source of fire, such as a match or cigarette lighter.

Light

A mechanical device that uses illumination as a signal or warning, especially a beacon or traffic signal.

Light

Daylight.

Light

Dawn; daybreak.

Light

Something, such as a window, that admits illumination.

Light

(Architecture) One of two or more openings in a window divided by a mullion or mullions.

Light

Something that provides information or clarification
Research that produced little new light on the question.

Light

A state of awareness or understanding, especially as derived from a particular source
In the light of experience.

Light

Public attention; general knowledge
Brought the scandal to light.

Light

Spiritual awareness; illumination.

Light

A way of looking at or considering a matter; an aspect
Saw the situation in a different light.

Light

(Archaic) Eyesight.

Light

Lights One's individual opinions, choices, or standards
Acted according to their own lights.

Light

A person who inspires or is adored by another
My daughter is the light of my life.

Light

A prominent or distinguished person; a luminary
One of the leading lights of the theater.

Light

An expression of the eyes
A strange light in her eyes.

Light

Lights Pieces of laundry that are not dark in color.

Light

Light In Quaker doctrine, the guiding spirit or divine presence in each person.

Light

To set on fire; ignite or kindle
Lit the kindling.

Light

To cause to give out light; make luminous
Lit a lamp.

Light

To provide, cover, or fill with light; illuminate
Fireworks lighting the sky.

Light

To signal, direct, or guide with light
"You'd ... set the lamp in the dormer window to light him home through the storm" (Edith Nesbit).

Light

To enliven or animate
A smile lit her face.

Light

To start to burn; be ignited or kindled
Green wood does not light easily.

Light

To emit light; be lighted
Wait until the indicator lights up.

Light

To get down, as from a vehicle or horse; dismount.

Light

To descend to the ground after flight; land.

Light

To come upon one unexpectedly
Misfortune lighted upon him.

Light

To come upon by chance or accident. Used with on or upon
Lit on the perfect solution to the problem.

Light

Having a greater rather than lesser degree of lightness.

Light

Of or being an additive primary color.

Light

Characterized by or filled with light; bright
A room that is light when the shutters are open.

Light

Not dark in color; fair
Light hair and skin.

Light

Served with milk or cream. Used of coffee.

Light

Of relatively little weight; not heavy
A light load.

Light

Of relatively little weight for its size or bulk
Balsa is a light wood.

Light

Of less than the correct, standard, or legal weight
A light pound.

Light

Designed for ease and quickness of movement; having a structure that is slim and has little weight for its type or class
Light aircraft.

Light

Designed to carry relatively little weight
Light trucks.

Light

Carrying little equipment or armament
Light cavalry.

Light

Requiring relatively little equipment and using relatively simple processes to produce consumer goods
Light industry.

Light

Exerting little force or impact; gentle
A light pat.

Light

Indistinct; faint
Light print that I could barely make out.

Light

Low in quantity or intensity
Light traffic.
Light snow.

Light

Consuming or using relatively moderate amounts; abstemious
A light eater.
A light smoker.

Light

Not harsh or severe
Gave the offender a light sentence.

Light

Moving easily and quickly; nimble
You're very light on your feet.

Light

Easy to perform or accomplish; requiring little effort
Light chores.

Light

Easy to bear or endure
A light tax.

Light

Having little importance; insignificant
Light conversation.

Light

Intended primarily as entertainment and lacking serious or weighty content
A light comedy.

Light

Not solemn or serious
Spoke in a light manner of the situation.

Light

Free from worries or troubles; blithe
A light heart.

Light

Mildly dizzy or faint
Felt light in the head.

Light

Easily awakened or disturbed
A light sleeper.

Light

Easily digested
A light supper.

Light

Containing a relatively small amount of a potentially harmful ingredient, such as alcohol, fat, or sodium
Light beer.
Light mayonnaise.

Light

Having a spongy or flaky texture; well-leavened
Light pastries.

Light

Having a loose, porous consistency
Light soil.

Light

Of, relating to, or being a syllable ending in a short vowel or a short vowel plus a consonant.

Light

Of, relating to, or being a vowel or syllable pronounced with little or no stress.

Light

In a light manner; lightly.

Light

With little weight and few burdens
Traveling light.

Light

Visible electromagnetic radiation. The human eye can typically detect radiation (light) in the wavelength range of about 400 to 750 nanometers. Nearby shorter and longer wavelength ranges, although not visible, are commonly called ultraviolet and infrared light.
As you can see, this spacious dining-room gets a lot of light in the mornings.

Light

A source of illumination.
Put that light out!

Light

(figurative) Spiritual or mental illumination; enlightenment, useful information.
Can you throw any light on this problem?

Light

Facts; pieces of information; ideas, concepts.

Light

A notable person within a specific field or discipline.
Picasso was one of the leading lights of the cubist movement.

Light

(painting) The manner in which the light strikes a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; opposed to shade.

Light

A point of view, or aspect from which a concept, person or thing is regarded.
I'm really seeing you in a different light today.
Magoon's governorship in Cuba was viewed in a negative light by many Cuban historians for years thereafter.

Light

A flame or something used to create fire.
Hey, buddy, you got a light?

Light

A firework made by filling a case with a substance which burns brilliantly with a white or coloured flame.
A Bengal light

Light

A window in architecture, carriage design, or motor car design: either the opening itself or the window pane of glass that fills it, if any.
This facade has eight south-facing lights.

Light

The series of squares reserved for the answer to a crossword clue.
The average length of a light on a 15×15 grid is 7 or 8.

Light

(informal) A cross-light in a double acrostic or triple acrostic.

Light

Open view; a visible state or condition; public observation; publicity.

Light

The power of perception by vision.

Light

The brightness of the eye or eyes.

Light

A traffic light, or, by extension, an intersection controlled by one or more that will face a traveler who is receiving instructions.
To get to our house, turn right at the third light.

Light

(curling) A stone that is not thrown hard enough.

Light

See lungs.

Light

A low-alcohol lager.

Light

(transitive) To start (a fire).
We lit the fire to get some heat.

Light

(transitive) To set fire to; to set burning.
She lit her last match.

Light

(transitive) To illuminate; to provide light for when it is dark.
I used my torch to light the way home through the woods in the night.

Light

(intransitive) To become ignited; to take fire.
This soggy match will not light.

Light

To attend or conduct with a light; to show the way to by means of a light.

Light

To make (a bonus) available to be collected by hitting a target, and thus light up the feature light corresponding to that bonus to indicate its availability.
Light' the extra ball by amassing 500 million points in the wizard mode.

Light

(nautical) To unload a ship, or to jettison material to make it lighter

Light

To lighten; to ease of a burden; to take off.

Light

To find by chance.
I lit upon a rare book in a second-hand bookseller's.

Light

To stop upon of eyes or a glance; to notice

Light

(archaic) To alight; to land or come down.
She fell out of the window but luckily lit on her feet.

Light

Having light; bright; clear; not dark or obscure.
The room is light when the Sun shines through the window.

Light

Pale or whitish in color; highly luminous and more or less deficient in chroma.
She had light skin.

Light

(of coffee) Served with extra milk or cream.
I like my coffee light.

Light

Having little or relatively little actual weight; not cumbrous or unwieldy.
A light load ; a lighter backpack after having removed the books ; light weapons

Light

Having little weight as compared with bulk; of little density or specific gravity.
Feathers and cork are light ; oil is lighter than water

Light

Of short or insufficient weight; weighing less than the legal, standard, or proper amount; clipped or diminished.
To issue light coin

Light

Lacking that which burdens or makes heavy.

Light

Free from burden or impediment; unencumbered.

Light

Lightly built; typically designed for speed or small loads.
A light aircraft ; a light tank

Light

(military) Not heavily armed; armed with light weapons.
Light infantry; a troop of light horse

Light

Riding high because of no cargo; by extension, pertaining to a ship which is light.
If a ship is light or partially loaded ; the light draft of a vessel, or its light displacement

Light

Without any piece of equipment attached or attached only to a caboose.
The light locomotives ; a locomotive may be moved light

Light

With low viscosity.

Light

(cookery) Not heavy or soggy; spongy; well raised.
A light bread ; sponge cake is a light cake

Light

Low in fat, calories, alcohol, salt, etc.
This light beer still gets you drunk if you have enough of it.

Light

Slight, not forceful or intense; small in amount or intensity.
A light drizzle; a light rain was falling; a light snow set in

Light

Gentle; having little force or momentum.
This artist clearly had a light, flowing touch.

Light

Easy to endure or perform.
Light duties around the house

Light

Unimportant, trivial, having little value or significance.
I made some light comment, and we moved on.

Light

(obsolete) Unchaste, wanton.

Light

Not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.

Light

(dated) Easily influenced by trifling considerations; unsteady; unsettled; volatile.
A light, vain person; a light mind

Light

Indulging in, or inclined to, levity; lacking dignity or solemnity; frivolous; airy.
Ogden Nash was a writer of light verse.

Light

Not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.

Light

Easily interrupted by stimulation.
Light sleep; light anesthesia

Light

Carrying little.
I prefer to travel light.

Light

That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous.

Light

That which furnishes, or is a source of, light, as the sun, a star, a candle, a lighthouse, etc.
Then he called for a light, and sprang in.
And God made two great lights; the greater light to rule the day, and the lesser light to rule the night.

Light

The time during which the light of the sun is visible; day; especially, the dawn of day.
The murderer, rising with the light, killeth the poor and needy.

Light

The brightness of the eye or eyes.
He seemed to find his way without his eyes;For out o'door he went without their helps,And, to the last, bended their light on me.

Light

The medium through which light is admitted, as a window, or window pane; a skylight; in architecture, one of the compartments of a window made by a mullion or mullions.
There were windows in three rows, and light was against light in three ranks.

Light

Life; existence.
O, spring to light, auspicious Babe, be born !

Light

Open view; a visible state or condition; public observation; publicity.
The duke yet would have dark deeds darkly answered; he would never bring them to light.

Light

The power of perception by vision.
My strength faileth me; as for the light of my eyes, it also is gone from me.

Light

That which illumines or makes clear to the mind; mental or spiritual illumination; enlightenment; knowledge; information.
He shall never knowThat I had any light of this from thee.

Light

Prosperity; happiness; joy; felicity.
Then shall thy light break forth as the morning, and thy health shall spring forth speedily.

Light

The manner in which the light strikes upon a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; - opposed to shade. Cf. Chiaroscuro.

Light

Appearance due to the particular facts and circumstances presented to view; point of view; as, to state things fairly and put them in the right light.
Frequent consideration of a thing . . . shows it in its several lights and various ways of appearance.

Light

One who is conspicuous or noteworthy; a model or example; as, the lights of the age or of antiquity.
Joan of Arc,A light of ancient France.

Light

A firework made by filling a case with a substance which burns brilliantly with a white or colored flame; as, a Bengal light.
Lord, lift thou up the light of thy countenance upon us.

Light

Having light; not dark or obscure; bright; clear; as, the apartment is light.

Light

White or whitish; not intense or very marked; not of a deep shade; moderately colored; as, a light color; a light brown; a light complexion.

Light

Having little, or comparatively little, weight; not tending to be the center of gravity with force; not heavy.
These weights did not exert their natural gravity, . . . insomuch that I could not guess which was light or heavy whilst I held them in my hand.

Light

Not burdensome; easy to be lifted, borne, or carried by physical strength; as, a light burden, or load.
Ye shall find rest unto your souls. For my yoke is easy, and my burden is light.

Light

Easy to be endured or performed; not severe; not difficult; as, a light affliction or task.
Light sufferings give us leisure to complain.

Light

Easy to be digested; not oppressive to the stomach; as, light food; also, containing little nutriment.

Light

Not heavily armed; armed with light weapons; as, light troops; a troop of light horse.

Light

Not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.
Unmarried men are best friends, best masters . . . but not always best subjects, for they are light to run away.

Light

Not heavily burdened; not deeply laden; not sufficiently ballasted; as, the ship returned light.

Light

Slight; not important; as, a light error.

Light

Well leavened; not heavy; as, light bread.

Light

Not copious or heavy; not dense; not inconsiderable; as, a light rain; a light snow; light vapors.

Light

Not strong or violent; moderate; as, a light wind.

Light

Not pressing heavily or hard upon; hence, having an easy, graceful manner; delicate; as, a light touch; a light style of execution.

Light

Easy to admit influence; inconsiderate; easily influenced by trifling considerations; unsteady; unsettled; volatile; as, a light, vain person; a light mind.
There is no greater argument of a light and inconsiderate person than profanely to scoff at religion.

Light

Indulging in, or inclined to, levity; wanting dignity or solemnity; trifling; gay; frivolous; airy; unsubstantial.
Seneca can not be too heavy, nor Plautus too light.
Specimens of New England humor laboriously light and lamentably mirthful.

Light

Not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.
Are his wits safe? Is he not light of brain ?

Light

Easily bestowed; inconsiderately rendered.
To a fair semblance doth light faith annex.

Light

Wanton; unchaste; as, a woman of light character.
A light wife doth make a heavy husband.

Light

Not of the legal, standard, or usual weight; clipped; diminished; as, light coin.

Light

Loose; sandy; easily pulverized; as, a light soil.

Light

To set fire to; to cause to burn; to set burning; to ignite; to kindle; as, to light a candle or lamp; to light the gas; - sometimes with up.
If a thousand candles be all lighted from one.
And the largest lamp is lit.
Absence might cure it, or a second mistressLight up another flame, and put out this.

Light

To give light to; to illuminate; to fill with light; to spread over with light; - often with up.
Ah, hopeless, lasting flames! like those that burnTo light the dead.
One hundred years ago, to have lit this theater as brilliantly as it is now lighted would have cost, I suppose, fifty pounds.
The sun has set, and Vesper, to supplyHis absent beams, has lighted up the sky.

Light

To attend or conduct with a light; to show the way to by means of a light.
His bishops lead him forth, and light him on.

Light

To become ignited; to take fire; as, the match will not light.

Light

To be illuminated; to receive light; to brighten; - with up; as, the room light up very well.

Light

To lighten; to ease of a burden; to take off.
From his head the heavy burgonet did light.

Light

To dismount; to descend, as from a horse or carriage; to alight; - with from, off, on, upon, at, in.
When she saw Isaac, she lighted off the camel.
Slowly rode across a withered heath,And lighted at a ruined inn.

Light

To feel light; to be made happy.
It made all their hearts to light.

Light

To descend from flight, and rest, perch, or settle, as a bird or insect.
[The bee] lights on that, and this, and tasteth all.
On the tree tops a crested peacock lit.

Light

To come down suddenly and forcibly; to fall; - with on or upon.
On me, me only, as the source and springOf all corruption, all the blame lights due.

Light

To come by chance; to happen; - with on or upon; formerly with into.
The several degrees of vision, which the assistance of glasses (casually at first lit on) has taught us to conceive.
They shall light into atheistical company.
And here we lit on Aunt Elizabeth,And Lilia with the rest.

Light

Lightly; cheaply.

Light

(physics) electromagnetic radiation that can produce a visual sensation;
The light was filtered through a soft glass window

Light

Any device serving as a source of illumination;
He stopped the car and turned off the lights

Light

A particular perspective or aspect of a situation;
Although he saw it in a different light, he still did not understand

Light

The quality of being luminous; emitting or reflecting light;
Its luminosity is measured relative to that of our sun

Light

An illuminated area;
He stepped into the light

Light

A condition of spiritual awareness; divine illumination;
Follow God's light

Light

The visual effect of illumination on objects or scenes as created in pictures;
He could paint the lightest light and the darkest dark

Light

A person regarded very fondly;
The light of my life

Light

Mental understanding as an enlightening experience;
He finally saw the light
Can you shed light on this problem?

Light

Having abundant light or illumination;
They played as long as it was light
As long as the lighting was good

Light

Public awareness;
It brought the scandal to light

Light

Brightness and animation of countenance;
He had a sparkle in his eye

Light

A divine presence believed by Quakers to enlighten and guide the soul

Light

A visual warning signal;
They saw the light of the beacon
There was a light at every corner

Light

A device for lighting or igniting fuel or charges or fires;
Do you have a light?

Light

Make lighter or brighter;
This lamp lightens the room a bit

Light

Begin to smoke;
After the meal, some of the diners lit up

Light

To come to rest, settle;
Misfortune lighted upon him

Light

Cause to start burning; subject to fire or great heat;
Great heat can ignite almost any dry matter
Light a cigarette

Light

Fall to somebody by assignment or lot;
The task fell to me
It fell to me to notify the parents of the victims

Light

Get off (a horse)

Light

Of comparatively little physical weight or density;
A light load
Magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C

Light

(used of color) having a relatively small amount of coloring agent;
Light blue
Light colors such as pastels
A light-colored powder

Light

Of the military or industry; using (or being) relatively small or light arms or equipment;
Light infantry
Light cavalry
Light industry
Light weapons

Light

Not great in degree or quantity or number;
A light sentence
A light accent
Casualties were light
Light snow was falling
Light misty rain
Light smoke from the chimney

Light

Psychologically light; especially free from sadness or troubles;
A light heart

Light

Characterized by or emitting light;
A room that is light when the shutters are open
The inside of the house was airy and light

Light

Used of vowels or syllables; pronounced with little or no stress;
A syllable that ends in a short vowel is a light syllable
A weak stress on the second syllable

Light

Easily assimilated in the alimentary canal; not rich or heavily seasoned;
A light diet

Light

(used of soil) loose and large-grained in consistency;
Light sandy soil

Light

(of sound or color) free from anything that dulls or dims;
Efforts to obtain a clean bass in orchestral recordings
Clear laughter like a waterfall
Clear reds and blues
A light lilting voice like a silver bell

Light

Moving easily and quickly; nimble;
The dancer was light and graceful
A lightsome buoyant step
Walked with a light tripping step

Light

Demanding little effort; not burdensome;
Light housework
Light exercise

Light

Of little intensity or power or force;
The light touch of her fingers
A light breeze

Light

(physics, chemistry) not having atomic weight greater than average;
Light water is ordinary water

Light

Weak and likely to lose consciousness;
Suddenly felt faint from the pain
Was sick and faint from hunger
Felt light in the head
A swooning fit
Light-headed with wine
Light-headed from lack of sleep

Light

Very thin and insubstantial;
Thin paper
Flimsy voile
Light summer dresses

Light

Marked by temperance in indulgence;
Abstemious meals
A light eater
A light smoker
Ate a light supper

Light

Less than the correct or legal or full amount often deliberately so;
A light pound
A scant cup of sugar
Regularly gives short weight

Light

Having little importance;
Losing his job was no light matter

Light

Intended primarily as entertainment; not serious or profound;
Light verse
A light comedy

Light

Silly or trivial;
Idle pleasure
Light banter
Light idle chatter

Light

Having a spongy or flaky texture; well-leavened;
Light pastries

Light

Designed for ease of movement or to carry little weight;
Light aircraft
A light truck

Light

Having relatively few calories;
Diet cola
Light (or lite) beer
Lite (or light) mayonnaise
A low-cal diet

Light

(of sleep) easily disturbed;
In a light doze
A light sleeper
A restless wakeful night

Light

Casual and unrestrained in sexual behavior;
Her easy virtue
He was told to avoid loose (or light) women
Wanton behavior

Light

With few burdens;
Experienced travellers travel light

Share Your Discovery

Share via Social Media
Embed This Content
Embed Code
Share Directly via Messenger
Link
Previous Comparison
Linage vs. Lineage
Next Comparison
Native vs. Sango

Popular Comparisons

Trending Comparisons

New Comparisons

Trending Terms