concussion

• POS: Noun
• HYPHEN: con=cus=sion

CIDE DICTIONARY

concussion, n. [L. concussio, fr. concutere, concussum, to shake violenty; con- + quatere to shake. See Cashier, Quash.].

•  A shaking or agitation; a shock; caused by the collision of two bodies.  [1913 Webster]

  "It is believed that great ringing of bells, in populous cities, hath dissipated pestilent air; which may be from the concussion of the air."  [1913 Webster]
•  A condition of lowered functional activity, without visible structural change, produced in an organ by a shock, as by fall or blow; as, a concussion of the brain.  [1913 Webster]
•  The unlawful forcing of another by threats of violence to yield up something of value.  [1913 Webster]

  "Then concussion, rapine, pilleries,
  Their catalogue of accusations fill."  [1913 Webster]

Concussion fuse (Mil.), one that is ignited by the concussion of the shell when it strikes.

Syn. -- See Shock.

OXFORD DICTIONARY

concussion, n.
1 Med. temporary unconsciousness or incapacity due to injury to the head.
2 violent shaking; shock.

Etymology

L concussio (as concuss)

THESAURUS

concussion

abrasion, appulse, beating, blemish, blow, break, brunt, buffeting, bulldozing, bulling, bump, burn, cannon, carambole, carom, chafe, check, chip, clash, clip, clout, collision, crack, crack-up, crackle, crash, craze, crump, crunch, cut, encounter, flash burn, fracture, fray, frazzle, gall, gash, hammering, hurt, impact, impingement, incision, injury, jar, jarring, jolt, jolting, laceration, lesion, mauling, meeting, mortal wound, mutilation, onslaught, percussion, pounding, puncture, ramming, rent, repercussion, rip, run, rupture, scald, scorch, scrape, scratch, scuff, second-degree burn, shaking, shock, sideswipe, slash, sledgehammering, smash, smash-up, smashing, sore, stab, stab wound, tear, third-degree burn, thrusting, trauma, whomp, wound, wounds immedicable, wrench

ROGET THESAURUS

concussion

Impulse

N impulse, sudden thought, impromptu, improvisation, inspiration, flash, spurt, improvisatore, creature of impulse, extemporaneous, impulsive, indeliberate, snap, improvised, improvisate, improvisatory, unpremeditated, unmeditated, improvise, unprompted, unguided, natural, unguarded, spontaneous, instinctive, extempore, extemporaneously, offhand, impromptu, a limproviste, improviso, on the spur of the moment, on the spur of the occasion, impulse, impulsion, impetus, momentum, push, pulsion, thrust, shove, jog, jolt, brunt, booming, boost, throw, explosion, propulsion, percussion, concussion, collision, occursion, clash, encounter, cannon, carambole, appulse, shock, crash, bump, impact, elan, charge, beating, blow, dint, stroke, knock, tap, rap, slap, smack, pat, dab, fillip, slam, bang, hit, whack, thwack, cuff, squash, dowse, swap, whap, punch, thump, pelt, kick, punce, calcitration, ruade, arietation, cut, thrust, lunge, yerk, carom, carrom, clip, jab, plug, sidewinder, sidewipe, sideswipe, hammer, sledge hammer, mall, maul, mallet, flail, ram, rammer, battering ram, monkey, pile-driving engine, punch, bat, cant hook, cudgel, ax, dynamics, seismometer, accelerometer, earthquake detector, impelling, impulsive, impellent, booming, dynamic, dynamical, impelled, a hit, a very palpable hit.