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Percussion   /pərkˈəʃən/   Listen
noun
Percussion  n.  
1.
The act of percussing, or striking one body against another; forcible collision, esp. such as gives a sound or report.
2.
Hence: The effect of violent collision; vibratory shock; impression of sound on the ear. "The thunderlike percussion of thy sounds."
3.
(Med.) 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 intervening substance, as a pleximeter, is, used, it is called mediate.
Center of percussion. See under Center.
Percussion bullet, a bullet containing a substance which is exploded by percussion; an explosive bullet.
Percussion cap, a small copper cap or cup, containing fulminating powder, and used with a percussion lock to explode gunpowder.
Percussion fuze. See under Fuze.
Percussion lock, the lock of a gun that is fired by percussion upon fulminating powder.
Percussion match, a match which ignites by percussion.
Percussion powder, powder so composed as to ignite by slight percussion; fulminating powder.
Percussion sieve, Percussion table, a machine for sorting ores by agitation in running water.






Collaborative International Dictionary of English 0.48








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"Percussion" Quotes from Famous Books



... explosives, their battery was revealed by the yellow flash of the guns in the purple shadow of the hill. These guns were worked with marvellous accuracy, but, fortunately, many of the shells—fired with percussion fuses—dug deep into the sand before bursting. The Volunteer Battery found their own guns so inferior to those of the enemy that there was little chance of silencing them, and General French, seeing there was no question of occupying Elandslaagte with the small force at his disposal, moved his ...
— South Africa and the Transvaal War, Vol. 2 (of 6) - From the Commencement of the War to the Battle of Colenso, - 15th Dec. 1899 • Louis Creswicke

... round to a place called the East Laboratory, a series of detached buildings, where I knew that I should find whatever I wanted: and I prepared my mind for a day's labour. In this place I found incredible stores: mountains of percussion-caps, more chambers of fuses, small-arm cartridges, shells, and all those murderous explosive mixtures, a-making and made, with which modern savagery occupied its leisure in exterminating itself: or, at least, savagery ...
— The Purple Cloud • M.P. Shiel

... wrote its name in the bill, was not a bad wine; a bottle of it assisted imagination as a percussion-cap does the powder in your rifle. In the present ease it also brought on an explosion, for as Blome knocked off the segar-ashes for the second time, he heard a loud exclamation from a balcony on ...
— The Continental Monthly, Vol. 2 No 4, October, 1862 - Devoted To Literature And National Policy • Various

... at this epoch percussion caps were virtually unknown, and the infantry of all nations still used flint-lock muskets, which it was almost impossible to fire once the priming powder became wet. Now, as it had rained without ceasing for the whole day, this contributed largely to the defeat ...
— The Memoirs of General the Baron de Marbot, Translated by - Oliver C. Colt • Baron de Marbot

... precision and force. The most obvious objection to them is the one above alluded to. The cartridges must, of necessity, be made by special machinery, and can be supplied only from the manufactory. To this it is replied, that the same objection may be urged against the use of percussion-caps. We grant it; and if it were possible to dispense with them, it would be an obvious gain. But because we must have caps, in spite of their disadvantages, it does not follow that we should increase unnecessarily the equipments against which the same objection exists ...
— Atlantic Monthly, Volume 10, Number 59, September, 1862 • Various


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