Steam vs. Smoke — What's the Difference?
By Tayyaba Rehman — Updated on October 29, 2023
Steam is water vapor produced by boiling, while Smoke is a mix of airborne particles and gases from burning.
Difference Between Steam and Smoke
Table of Contents
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Key Differences
Steam refers to the gaseous form of water that arises when water is heated to its boiling point. Smoke, on the other hand, emerges when there is combustion, often producing a mix of particles and gases. In the kitchen, you'll often see steam rising from a pot of boiling water, while smoke might result if something burns on the stove.
Both steam and smoke are visible emissions, but their origins and compositions differ significantly. Steam is essentially water vapor, carrying no charred remnants or products of combustion with it. Conversely, smoke carries a variety of particles, some of which can be hazardous to health. A sauna, for example, fills with steam for therapeutic purposes, while inhaling smoke from a fire can be harmful.
Steam's primary component is water vapor, making it a clean emission in most scenarios. Smoke, meanwhile, can contain a cocktail of chemicals depending on what's burning—this is why cigarette smoke, for instance, contains toxins. The sight of steam is generally not a cause for alarm; however, seeing smoke might indicate a potential danger like a fire.
Interestingly, while steam dissipates as it cools and condenses back into water, smoke particles can linger in the air or deposit on surfaces. If you've ever been near a steamy shower, the foggy environment is due to steam, whereas the residue on walls after a room fire is often from smoke.
Comparison Chart
Definition
Gaseous form of water
Airborne particles and gases from burning
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Origin
Result of boiling water
Result of combustion
Composition
Mostly water vapor
Mix of particles and various gases
Impact on Health
Generally harmless
Can be harmful due to toxins
Dissipation
Condenses back into water as it cools
Particles can linger or deposit on surfaces
Compare with Definitions
Steam
Steam is the gaseous form of water.
The kettle released a stream of steam.
Smoke
Smoke consists of airborne particles from combustion.
He saw smoke billowing from the chimney.
Steam
Steam arises from boiling water.
Steam rose from the hot springs.
Smoke
Smoke is a collection of airborne particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass. It is commonly an unwanted by-product of fires (including stoves, candles, internal combustion engines, oil lamps, and fireplaces), but may also be used for pest control (fumigation), communication (smoke signals), defensive and offensive capabilities in the military (smoke screen), cooking, or smoking (tobacco, cannabis, etc.).
Steam
Steam is used in certain therapeutic settings.
She enjoyed the steam room after her workout.
Smoke
A visible suspension of carbon or other particles in air, typically one emitted from a burning substance
Bonfire smoke
Steam
Steam can be used to power engines.
The steam engine revolutionized transportation.
Smoke
An act of smoking tobacco
I'm dying for a smoke
Steam
Steam is water in the gas phase. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization.
Smoke
A big city, especially London
She was offered a job in the Smoke
Steam
The vapour into which water is converted when heated, forming a white mist of minute water droplets in the air
A cloud of steam
She wiped the steam off the mirror
Steam was rising from the mugs of coffee
Smoke
Emit smoke or visible vapour
Heat the oil until it just smokes
Steam
Give off or produce steam
A mug of coffee was steaming at her elbow
Smoke
Inhale and exhale the smoke of tobacco or a drug
Janine was sitting at the kitchen table smoking
He smoked forty cigarettes a day
Steam
Cook (food) by heating it in steam from boiling water
Steam the vegetables until just tender
Smoke
Treat, fumigate, or cleanse by exposure to smoke.
Steam
(of a ship or train) travel somewhere under steam power
The 11.54 steamed into the station
Smoke
Kill (someone) by shooting
They gotta go smoke this person
Steam
Be or become extremely agitated or angry
You got all steamed up over nothing!
After steaming behind the closed door in his office, he came out and screamed at her
Smoke
Make fun of (someone)
We baited her and smoked her
Steam
Hot water vapor produced especially by boiling liquid water.
Smoke
A mixture of gases and small suspended particles of soot or other solids, resulting from the burning of materials such as wood or coal.
Steam
Hot, pressurized water vapor used for heating, cooking, or to provide mechanical power.
Smoke
A cloud of such gases and suspended particles.
Steam
Power generated by the expansion of boiling water as it turns to vapor
An engine at full steam.
Smoke
A vapor, mist, or fume that resembles this.
Steam
Steam heating.
Smoke
Something insubstantial, unreal, or transitory
"What everybody echoes or in silence passes by as true to-day may turn out to be falsehood to-morrow, mere smoke of opinion" (Henry David Thoreau).
Steam
Condensed water vapor in the form of a mist or cloud
The steam from the teakettle.
The steam of the oxen's breath in the cold air.
Smoke
The act of smoking a form of tobacco
Went out for a smoke.
Steam
Power; energy
The fundraising effort ran out of steam.
Smoke
The duration of this act.
Steam
To produce or emit steam
The kettle is steaming. Let's make tea.
Smoke
(Informal) Tobacco in a form that can be smoked, especially a cigarette
Money to buy smokes.
Steam
To become or rise up as steam
The rain steamed off the hot pavement.
Smoke
A substance used in warfare to produce a smokescreen.
Steam
To become misted or covered with steam
The bathroom mirror steamed over.
Smoke
Something used to conceal or obscure.
Steam
To move by means of steam power.
Smoke
A pale to grayish blue to bluish or dark gray.
Steam
(Informal) To become very angry; fume.
Smoke
(Baseball) Pitches thrown at high velocity; fast balls
Threw a lot of smoke in the early innings.
Steam
To expose to steam, as in cooking.
Smoke
To draw in and exhale smoke from a cigarette, cigar, or pipe
It's forbidden to smoke here.
Steam
To cover or mist with steam
The windows are steamed up.
Smoke
To engage in smoking regularly or habitually
He smoked for years before stopping.
Steam
(Informal) To make angry
His laziness really steams me.
Smoke
To emit smoke or a smokelike substance
Chimneys smoking in the cold air.
Steam
The vapor formed when water changes from the liquid phase to the gas phase.
Smoke
To emit smoke excessively
The station wagon smoked even after the tune-up.
Steam
The suspended condensate (cloud) formed by water vapour when it encounters colder air
Smoke
To go or proceed at high speed.
Steam
, fog
Smoke
To play or perform energetically
The band was really smoking in the second set.
Steam
Exhaled breath into cold air below the dew point of the exhalation
Smoke
To draw in and exhale the smoke of (tobacco, for example)
I've never smoked a panatela.
Steam
Pressurized water vapour used for heating, cooking, or to provide mechanical energy.
Smoke
To do so regularly or habitually
I used to smoke filtered cigarettes.
Steam
The act of cooking by steaming.
Give the carrots a ten-minute steam.
Smoke
To preserve (meat or fish) by exposure to the aromatic smoke of burning hardwood, usually after pickling in salt or brine.
Steam
(figuratively) Internal energy for motive power.
After three weeks in bed he was finally able to sit up under his own steam.
Smoke
To fumigate (a house, for example).
Steam
(figuratively) Pent-up anger.
Dad had to go outside to blow off some steam.
Smoke
To expose (animals, especially insects) to smoke in order to immobilize or drive away.
Steam
A steam-powered vehicle.
Smoke
To expose (glass) to smoke in order to darken or change its color.
Steam
Travel by means of a steam-powered vehicle.
Smoke
To kill; murder.
Steam
(obsolete) Any exhalation.
Smoke
To defeat decisively, as in a competition.
Steam
(fencing) Fencing without the use of any electric equipment.
Smoke
(Baseball) To throw (a pitch) at high velocity.
Steam
To cook with steam.
The best way to cook artichokes is to steam them.
Smoke
(uncountable) The visible vapor/vapour, gases, and fine particles given off by burning or smoldering material.
Steam
(transitive) To expose to the action of steam; to apply steam to for softening, dressing, or preparing.
To steam wood or cloth
Smoke
A cigarette.
Can I bum a smoke off you?;
I need to go buy some smokes.
Steam
(intransitive) To produce or vent steam.
Smoke
Anything to smoke (e.g. cigarettes, marijuana, etc.)
Hey, you got some smoke?
Steam
(intransitive) To rise in vapour; to issue, or pass off, as vapour.
Our breath steamed in the cold winter air.
Smoke
An instance of smoking a cigarette, cigar, etc.; the duration of this act.
I'm going out for a smoke.
Steam
To become angry; to fume; to be incensed.
Smoke
A fleeting illusion; something insubstantial, evanescent, unreal, transitory, or without result.
The excitement behind the new candidate proved to be smoke.
Steam
To make angry.
It really steams me to see her treat him like that.
Smoke
Something used to obscure or conceal; an obscuring condition; see also smoke and mirrors.
The smoke of controversy.
Steam
(intransitive) To be covered with condensed water vapor.
With all the heavy breathing going on the windows were quickly steamed in the car.
Smoke
(uncountable) A light grey colour/color tinted with blue.
Steam
(intransitive) To travel by means of steam power.
We steamed around the Mediterranean.
The ship steamed out of the harbour.
Smoke
Bother; problems; hassle.
You better not be giving me no smoke.
Steam
To move with great or excessive purposefulness.
If he heard of anyone picking the fruit he would steam off and lecture them.
Smoke
A particulate of solid or liquid particles dispersed into the air on the battlefield to degrade enemy ground or for aerial observation. Smoke has many uses--screening smoke, signaling smoke, smoke curtain, smoke haze, and smoke deception. Thus it is an artificial aerosol.
Steam
(obsolete) To exhale.
Smoke
A fastball.
Steam
Old-fashioned; from before the digital age.
Smoke
(countable) A distinct column of smoke, such as indicating a burning area or fire.
Steam
The elastic, aëriform fluid into which water is converted when heated to the boiling point; water in the state of vapor.
Smoke
(transitive) To inhale and exhale the smoke from a burning cigarette, cigar, pipe, etc.
Steam
The mist formed by condensed vapor; visible vapor; - so called in popular usage.
Smoke
(intransitive) To inhale and exhale tobacco smoke.
Do you smoke?
Steam
Any exhalation.
Smoke
(intransitive) To give off smoke.
My old truck was still smoking even after the repairs.
Steam
To emit steam or vapor.
My brother's ghost hangs hovering there,O'er his warm blood, that steams into the air.
Let the crude humors danceIn heated brass, steaming with fire intense.
Smoke
(intransitive) Of a fire in a fireplace: to emit smoke outward instead of up the chimney, owing to imperfect draught.
Steam
To rise in vapor; to issue, or pass off, as vapor.
The dissolved amber . . . steamed away into the air.
Smoke
(transitive) To preserve or prepare (food) for consumption by treating with smoke.
You'll need to smoke the meat for several hours.
Steam
To move or travel by the agency of steam.
The vessel steamed out of port.
Smoke
(transitive) To dry or medicate by smoke.
Steam
To generate steam; as, the boiler steams well.
Smoke
To fill or scent with smoke; hence, to fill with incense; to perfume.
Steam
To exhale.
Smoke
To make unclear or blurry.
Steam
To expose to the action of steam; to apply steam to for softening, dressing, or preparing; as, to steam wood; to steamcloth; to steam food, etc.
Smoke
To perform (e.g. music) energetically or skillfully.
The horn section was really smokin' on that last tune.
Steam
Water at boiling temperature diffused in the atmosphere
Smoke
To beat someone at something.
We smoked them at rugby.
Steam
Travel by means of steam power;
The ship steamed off into the Pacific
Smoke
To kill, especially with a gun.
He got smoked by the mob.
Steam
Emit steam;
The rain forest was literally steaming
Smoke
To thrash; to beat.
Steam
Rise as vapor
Smoke
To smell out; to hunt out; to find out; to detect.
Steam
Get very angry;
Her indifference to his amorous advances really steamed the young man
Smoke
To ridicule to the face; to mock.
Steam
Clean by means of steaming;
Steam-clean the upholstered sofa
Smoke
To burn; to be kindled; to rage.
Steam
Cook something by letting steam pass over it;
Just steam the vegetables
Smoke
To raise a dust or smoke by rapid motion.
Steam
Steam is a visible water vapor.
The bathroom was filled with steam after the shower.
Smoke
To suffer severely; to be punished.
Smoke
To punish (a person) for a minor offense by excessive physical exercise.
Smoke
(transitive) To cover (a key blank) with soot or carbon to aid in seeing the marks made by impressioning.
Smoke
The visible exhalation, vapor, or substance that escapes, or expelled, from a burning body, especially from burning vegetable matter, as wood, coal, peat, or the like.
Smoke
That which resembles smoke; a vapor; a mist.
Smoke
Anything unsubstantial, as idle talk.
Smoke
The act of smoking, esp. of smoking tobacco; as, to have a smoke.
Smoke
To emit smoke; to throw off volatile matter in the form of vapor or exhalation; to reek.
Hard by a cottage chimney smokes.
Smoke
Hence, to burn; to be kindled; to rage.
The anger of the Lord and his jealousy shall smoke agains. that man.
Smoke
To raise a dust or smoke by rapid motion.
Proud of his steeds, he smokes along the field.
Smoke
To draw into the mouth the smoke of tobacco burning in a pipe or in the form of a cigar, cigarette, etc.; to habitually use tobacco in this manner.
Smoke
To suffer severely; to be punished.
Some of you shall smoke for it in Rome.
Smoke
To apply smoke to; to hang in smoke; to disinfect, to cure, etc., by smoke; as, to smoke or fumigate infected clothing; to smoke beef or hams for preservation.
Smoke
To fill or scent with smoke; hence, to fill with incense; to perfume.
Smoke
To smell out; to hunt out; to find out; to detect.
I aloneSmoked his true person, talked with him.
He was first smoked by the old Lord Lafeu.
Upon that . . . I began to smoke that they were a parcel of mummers.
Smoke
To ridicule to the face; to quiz.
Smoke
To inhale and puff out the smoke of, as tobacco; to burn or use in smoking; as, to smoke a pipe or a cigar.
Smoke
To subject to the operation of smoke, for the purpose of annoying or driving out; - often with out; as, to smoke a woodchuck out of his burrow.
Smoke
A cloud of fine particles suspended in a gas
Smoke
A hot vapor containing fine particles of carbon being produced by combustion;
The fire produced a tower of black smoke that could be seen for miles
Smoke
An indication of some hidden activity;
With all that smoke there must be a fire somewhere
Smoke
Something with no concrete substance;
His dreams all turned to smoke
It was just smoke and mirrors
Smoke
Tobacco leaves that have been made into a cylinder
Smoke
Street names for marijuana
Smoke
The act of smoking tobacco or other substances;
He went outside for a smoke
Smoking stinks
Smoke
(baseball) a pitch thrown with maximum velocity;
He swung late on the fastball
He showed batters nothing but smoke
Smoke
Inhale and exhale smoke from cigarettes, cigars, pipes;
We never smoked marijuana
Do you smoke?
Smoke
Emit a cloud of fine particles;
The chimney was fuming
Smoke
Smoke can indicate a fire.
Where there's smoke, there's often fire.
Smoke
Smoke contains a mix of gases and particles.
The room was filled with the acrid smoke of burnt plastic.
Smoke
Inhaling smoke can be harmful.
She coughed from the smoke of the campfire.
Smoke
Smoke's color and density can vary.
The smoke from the grill was thin and blue.
Common Curiosities
Why is smoke considered dangerous?
Smoke can carry toxins and particulates, which can be harmful when inhaled.
Can steam be harmful?
While steam is mostly harmless, it can cause burns if too hot.
Is steam always hot?
While steam is produced by heating, it can cool and still remain in gaseous form temporarily.
Can smoke have different colors?
Yes, the color of smoke can vary based on what's burning.
Why do saunas use steam?
Steam in saunas can help open pores and promote sweating, offering therapeutic benefits.
What causes the smoky flavor in certain foods?
The smoky flavor comes from foods being exposed to smoke, often from wood or charcoal.
Can you see steam in cold weather?
Yes, steam can be more visible in cold weather as it condenses rapidly in the cold air.
How is smoke produced?
Smoke is produced from the combustion or burning of materials.
Is all smoke harmful to inhale?
While not all smoke is equally harmful, it's generally advised to avoid inhaling smoke.
Can steam be used for cleaning?
Yes, steam can be used in cleaning, especially for disinfecting and removing grime.
What is steam?
Steam is the gaseous form of water, typically produced by boiling.
Can both steam and smoke trigger fire alarms?
Yes, both steam and smoke can trigger certain types of fire alarms due to particle detection.
Can smoke be used in cooking?
Yes, smoke is often used in cooking to impart a smoky flavor to foods, like in barbecuing.
How does a steam engine work?
A steam engine works by heating water to produce steam, which then drives a piston or turbine.
Why is cigarette smoke harmful?
Cigarette smoke contains numerous toxins and carcinogens harmful to health.
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Written by
Tayyaba RehmanTayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.