Noun

(en-noun)

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

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

* Francis Bacon

Whether any other liquors, being made mediums , cause a diversity of sound from water, it may be tried.

* Denham

I must bring together / All these extremes; and must remove all mediums .

(senseid) A format for communicating or presenting information.

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

A nutrient solution for the growth of cells ''in vitro .

* 1996 , Samuel Baron (editor), Medical Microbiology :

In some instances one can take advantage of differential carbohydrate fermentation capabilities of microorganisms by incorporating one or more carbohydrates in the medium' along with a suitable pH indicator. Such '''media''' are called differential ' media (e.g., eosin methylene blue or MacConkey agar) and are commonly used to isolate enteric bacilli.

The means or channel by which an aim is achieved.

A liquid base which carries pigment in paint.

A tool used for painting or drawing.

Acrylics, oils, charcoal and gouache are all mediums I used in my painting.

Someone who supposedly conveys information from the spirit world.

Anything having a measurement intermediate between extremes, such as a garment or container.

A person whom garments or apparel of intermediate size fit.

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

A middle place or degree.

a happy medium

* L'Estrange

The just medium lies between pride and abjection.

(dated) An average; sometimes the mathematical mean.

* Burke

a medium of six years of war, and six years of peace

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

Noun

(en noun)

A device used to produce music.

The violinist was a master of her instrument .

A means or agency for achieving an effect.

* {{quote-book, year=1905, author=

, title= , chapter=1 citation , passage=“There the cause of death was soon ascertained?; the victim of this daring outrage had been stabbed to death from ear to ear with a long, sharp instrument , in shape like an antique stiletto, which […] was subsequently found under the cushions of the hansom. […]”}}

A measuring or displaying device.

The instrument detected an increase in radioactivity.

A tool, implement used for manipulation or measurement.

The dentist set down his tray of instruments'''.'' The scientist recorded the temperature with a thermometer but wished he had a more accurate ' instrument ."

(legal) A legal document, such as a contract, deed, trust, mortgage, power, indenture, or will.

A bond indenture is the instrument that gives a bond its value.

Negotiable instruments are the foundation of the debt markets.

(figuratively) A person used as a mere tool for achieving a goal.

* Shakespeare

Or useful serving man and instrument , / To any sovereign state.

* Dryden

The bold are but the instruments of the wise.