Definition of instrument

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Instrument (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc..

Lern More About Instrument

Resonance :: Resonance (n.) A prolongation or increase of any sound, either by reflection, as in a cavern or apartment the walls of which are not distant enough to return a distinct echo, or by the production of vibrations in other bodies, as a sounding-board, or the bodies of musical instruments..
Piercing :: Piercing (a.) Forcibly entering, or adapted to enter, at or by a point; perforating; penetrating; keen; -- used also figuratively; as, a piercing instrument, or thrust..
Anemometer :: Anemometer (n.) An instrument for measuring the force or velocity of the wind; a wind gauge.
Goad :: Goad (v. t.) A pointed instrument used to urge on a beast; hence, any necessity that urges or stimulates..
Scarifier :: Scarifier (n.) The instrument used for scarifying.
Calliope :: Calliope (n.) A musical instrument consisting of a series of steam whistles, toned to the notes of the scale, and played by keys arranged like those of an organ. It is sometimes attached to steamboat boilers..
Rack :: Rack (a.) An instrument for bending a bow.
Phantascope :: Phantascope (n.) An optical instrument or toy, resembling the phenakistoscope, and illustrating the same principle; -- called also phantasmascope..
Chain :: Chain (n.) An instrument which consists of links and is used in measuring land.
Rubber :: Rubber (n.) An instrument or thing used in rubbing, polishing, or cleaning..
Thumbscrew :: Thumbscrew (n.) An old instrument of torture for compressing the thumb by a screw; a thumbkin.
Keyed :: Keyed (a.) Furnished with keys; as, a keyed instrument; also, set to a key, as a tune..
Atmidometer :: Atmidometer (n.) An instrument for measuring the evaporation from water, ice, or snow..
Stroboscope :: Stroboscope (n.) An instrument for studying or observing the successive phases of a periodic or varying motion by means of light which is periodically interrupted.
Harmonica :: Harmonica (n.) A musical instrument, consisting of a series of hemispherical glasses which, by touching the edges with the dampened finger, give forth the tones..
Handle :: Handle (n.) That of which use is made; the instrument for effecting a purpose; a tool.
Psaltery :: Psaltery (n.) A stringed instrument of music used by the Hebrews, the form of which is not known..
Separatory :: Separatory (n.) A surgical instrument for separating the pericranium from the cranium.
Syrinx :: Syrinx (n.) A wind instrument made of reeds tied together; -- called also pandean pipes.
Air Poise :: Air poise () An instrument to measure the weight of air.
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