Main Entry: vi·bra·tion

Pronunciation: \vī-ˈbrā-shən\

Function: noun

Date: 1635

1 a : a periodic motion of the particles of an elastic body or medium in alternately opposite directions from the position of equilibrium when that equilibrium has been disturbed (as when a stretched cord produces musical tones or molecules in the air transmit sounds to the ear) b : the action of vibrating : the state of being vibrated or in vibratory motion: as (1) : oscillation (2) : a quivering or trembling motion : quiver
2 : an instance of vibration
3 : vacillation in opinion or action : wavering
4 a : a characteristic emanation, aura, or spirit that infuses or vitalizes someone or something and that can be instinctively sensed or experienced —often used in plural b : a distinctive usually emotional atmosphere capable of being sensed —usually used in plural

— vi·bra·tion·al \-shnəl, -shə-n^əl\ adjective

— vi·bra·tion·less \-shən-ləs\ adjective