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- Percussion - n. - The act of percussing, or striking one body against another; forcible collision, esp. such as gives a sound or report.
- Percussion - n. - Hence: The effect of violent collision; vibratory shock; impression of sound on the ear.
- Percussion - n. - The act of tapping or striking the surface of the body in order to learn the condition of the parts beneath by the sound emitted or the sensation imparted to the fingers. Percussion is said to be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called mediate.
- Capper - n. - An instrument for applying a percussion cap to a gun or cartridge.
- Cardiometry - n. - Measurement of the heart, as by percussion or auscultation.
- Ammunition - n. - Articles used in charging firearms and ordnance of all kinds; as powder, balls, shot, shells, percussion caps, rockets, etc.
- Nipple - n. - Any small projection or article in which there is an orifice for discharging a fluid, or for other purposes; as, the nipple of a nursing bottle; the nipple of a percussion lock, or that part on which the cap is put and through which the fire passes to the charge.
- Percussion - n. - The act of tapping or striking the surface of the body in order to learn the condition of the parts beneath by the sound emitted or the sensation imparted to the fingers. Percussion is said to be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called mediate.
- Echoscope - n. - An instrument for intensifying sounds produced by percussion of the thorax.
- Recapper - n. - A tool used for applying a fresh percussion cap or primer to a cartridge shell in reloading it.
- Hammer - n. - That part of a gunlock which strikes the percussion cap, or firing pin; the cock; formerly, however, a piece of steel covering the pan of a flintlock musket and struck by the flint of the cock to ignite the priming.
- Capsule - n. - A small cup or shell, as of metal, for a percussion cap, cartridge, etc.
- Primer - n. - an instrument or device for priming; esp., a cap, tube, or water containing percussion powder or other compound for igniting a charge of gunpowder.
- Jar - n. - In deep well boring, a device resembling two long chain links, for connecting a percussion drill to the rod or rope which works it, so that the drill is driven down by impact and is jerked loose when jammed.
- Lock - n. - That part or apparatus of a firearm by which the charge is exploded; as, a matchlock, flintlock, percussion lock, etc.
- Cap - n. - A percussion cap. See under Percussion.
- Musket - n. - A species of firearm formerly carried by the infantry of an army. It was originally fired by means of a match, or matchlock, for which several mechanical appliances (including the flintlock, and finally the percussion lock) were successively substituted. This arm has been generally superseded by the rifle.