Vacuum vs. Medium — What's the Difference?

Absence of matter.

An agency or means of doing something

A space empty of matter.

The intervening substance through which sensory impressions are conveyed or physical forces are transmitted

A vacuum is a space devoid of matter. The word is derived from the Latin adjective vacuus for "vacant" or "void".

A particular form of storage material for computer files, such as magnetic tape or discs.

A space relatively empty of matter.

The material or form used by an artist, composer, or writer

A space in which the pressure is significantly lower than atmospheric pressure.

A person claiming to be in contact with the spirits of the dead and to communicate between the dead and the living.

A state of emptiness; a void.

The middle quality or state between two extremes; a reasonable balance

A state of being sealed off from external or environmental influences; isolation.

About halfway between two extremes of size or another quality; average

Pl. vac·uums A vacuum cleaner.

Something, such as an intermediate course of action, that occupies a position or represents a condition midway between extremes.

Of, relating to, or used to create a vacuum.

A substance that propagates energy or signals through space via changes in its own state

Containing air or other gas at a reduced pressure.

The sparsely distributed gas and dust subsisting in the space between stars.

Operating by means of suction or by maintaining a partial vacuum.

To clean with or use a vacuum cleaner.

An agency by which something is accomplished, conveyed, or transferred

A region of space that contains no matter.

A means of mass communication, such as newspapers, magazines, radio, or television.

A vacuum cleaner.

Media(used with a sing. or pl. verb) The group of journalists and others who constitute the communications industry and profession.

The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.

Pl. media(Computers)Any of various kinds of storage devices, such as hard drives or digital audiotape.

(physics) A spacetime having tensors of zero magnitude.

Pl. mediums A person thought to have the power to communicate with the spirits of the dead or with agents of another world or dimension. Also called psychic.

An emptiness in life created by a loss of a person who was close, or of an occupation.

A surrounding environment in which something functions and thrives.

(transitive) To clean (something) with a vacuum cleaner.

The substance in which a specific organism lives and thrives.

(intransitive) To use a vacuum cleaner.

A culture medium.

To optimise a database or database table by physically removing deleted tuples.

A specific kind of artistic technique or means of expression as determined by the materials used or the creative methods involved

A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.

The materials used in a specific artistic technique

The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch.

A solvent with which paint is thinned to the proper consistency.

The absence of matter

(Chemistry) A filtering substance, such as filter paper.

An empty area or space;

Occurring or being between two degrees, amounts, or quantities; intermediate

A region empty of matter

The material of the surrounding environment, e.g. solid, liquid, gas, vacuum, or a specific substance such as a solvent.

An electrical home appliance that cleans by suction

The materials or empty space through which signals, waves, or forces pass.

Clean with a vacuum cleaner;

A format for communicating or presenting information.

(microbiology) A nutrient substance, commonly a solution or solid, for the growth of cells in vitro.

(biology, horticulture etc.) A substance, structure, or environment in which living organisms subsist, grow or are cultured.

A means, channel, agency or go-between through which communication, commerce, etc is conveyed or carried on, or by which an aim is achieved.

(engineering) The materials used to finish a workpiece using a mass finishing or abrasive blasting process.

A liquid base which carries pigment in paint.

(painting) A means of expression, in the arts, such as a material (oil, pastel, clay, etc) or method or style (expressionism, jazz, etc).

Someone who supposedly conveys information from the spirit world.

An item labelled or denoted as being that size.

One who fits an item of that size.

A half-pint serving of Guinness (or other stout in some regions).

(countable) A middle place or degree.

An average; sometimes the mathematical mean.

The mean or middle term of a syllogism, that by which the extremes are brought into connection.

(obsolete) Arithmetically average.

Of intermediate size, degree, amount etc.

Of meat, cooked to a point greater than rare but less than well done; typically, so the meat is still red in the centre.

That is medium the manufactured size.

To a medium extent.

That which lies in the middle, or between other things; intervening body or quantity.

See Mean.

A substance through which an effect is transmitted from one thing to another; as, air is the common medium of sound.

An average.

A trade name for printing and writing paper of certain sizes. See Paper.

The liquid vehicle with which dry colors are ground and prepared for application.

A source of nutrients in which a microorganism is placed to permit its growth, cause it to produce substances, or observe its activity under defined conditions; also called culture medium or growth medium. The medium is usually a solution of nutrients in water, or a similar solution solidified with gelatin or agar.

A means of transmission of news, advertising, or other messages from an information source to the public, also called a news medium, such as a newspaper or radio; used mostly in the plural form, i. e. news media or media. See 1st media{2}.

Having a middle position or degree; mean; intermediate; medial; as, a horse of medium size; a decoction of medium strength.

A means or instrumentality for storing or communicating information

The surrounding environment;

An intervening substance through which signals can travel as a means for communication

(bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms

An intervening substance through which something is achieved;

A liquid with which pigment is mixed by a painter

(biology) a substance in which specimens are preserved or displayed

A state that is intermediate between extremes; a middle position;

Someone who serves as an intermediary between the living and the dead;

Transmissions that are disseminated widely to the public

An occupation for which you are especially well suited;

Around the middle of a scale of evaluation of physical measures;

(of meat) cooked until there is just a little pink meat inside