Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of instrument is as below...

Whistle :: Whistle (v. i.) A sharp, shrill, more or less musical sound, made by forcing the breath through a small orifice of the lips, or through or instrument which gives a similar sound; the sound used by a sportsman in calling his dogs; the shrill note of a bird; as, the sharp whistle of a boy, or of a boatswain's pipe; the blackbird's mellow whistle..

Rhysimeter :: Rhysimeter (n.) An instrument, acting on the principle of Pitot's tube, for measuring the velocity of a fluid current, the speed of a ship, etc..

Retractor :: Retractor (n.) An instrument for holding apart the edges of a wound during amputation.

Jackstraw :: "Jackstraw (n.) One of a set of straws of strips of ivory, bone, wood, etc., for playing a child's game, the jackstraws being thrown confusedly together on a table, to be gathered up singly by a hooked instrument, without touching or disturbing the rest of the pile. See Spilikin..

Symplectic :: Sympiesometer (n.) A sensitive kind of barometer, in which the pressure of the atmosphere, acting upon a liquid, as oil, in the lower portion of the instrument, compresses an elastic gas in the upper part..

Calipers :: Calipers (n. pl.) An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses..

Symphony :: Symphony (n.) An elaborate instrumental composition for a full orchestra, consisting usually, like the sonata, of three or four contrasted yet inwardly related movements, as the allegro, the adagio, the minuet and trio, or scherzo, and the finale in quick time. The term has recently been applied to large orchestral works in freer form, with arguments or programmes to explain their meaning, such as the symphonic poems of Liszt. The term was formerly applied to any composition for an orchestra, as

Opeidoscope :: Opeidoscope (n.) An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tube, as by speaking or singing into it..

Hydroscope :: Hydroscope (n.) An instrument designed to mark the presence of water, especially in air..

Wattmeter :: Wattmeter (n.) An instrument for measuring power in watts, -- much used in measuring the energy of an electric current..

Cephalometer :: Cephalometer (n.) An instrument measuring the dimensions of the head of a fetus during delivery.

Shave :: Shave (v. t.) To make bare or smooth by cutting off closely the surface, or surface covering, of; especially, to remove the hair from with a razor or other sharp instrument; to take off the beard or hair of; as, to shave the face or the crown of the head; he shaved himself..

Perform :: Perform (v. i.) To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument; as, the players perform poorly; the musician performs on the organ..

Altazimuth :: Altazimuth (n.) An instrument for taking azimuths and altitudes simultaneously.

Dichroscope :: Dichroscope (n.) An instrument for examining the dichroism of crystals.

Brake :: Brake (v. t.) An instrument or machine to break or bruise the woody part of flax or hemp so that it may be separated from the fiber.

Cystotome :: Cystotome (n.) A knife or instrument used in cystotomy.

Ductilimeter :: Ductilimeter (n.) An instrument for accurately determining the ductility of metals.

Lithoclast :: Lithoclast (n.) An instrument for crushing stones in the bladder.

Catgut :: Catgut (n.) A cord of great toughness made from the intestines of animals, esp. of sheep, used for strings of musical instruments, etc..

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