Medical Dictionary
Main Entry:
vi·bra·tion Pronunciation:
vI-'brA-sh&n Function:
noun 1 a : a periodic motion of the particles of an elastic body ormedium in alternately opposite directions from the position of equilibrium when that equilibrium has been disturbed (as when particles of air transmit sounds to the ear)
b : the actionof vibrating
: the state of being vibrated or in vibratory motion
2 : an instance of vibration —
vi·brate /'vI-"brAt/ verb vi·brat·ed;
vi·brat·ing —
vi·bra·tion·al /-shn&l, -sh&n-&l/ adjective