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vibration

vi·bra·tion

vibration

pronunciation:
vaI breI shn
part of speech: noun
definition 1: an act or instance of vibrating.
similar words:
throb, trepidation
definition 2: the condition of being vibrated.
definition 3: (often pl.; informal) emotional feelings intuitively sensed from a situation, another person, or the like.
definition 4: in physics, the rapid motion of a particle or elastic substance around an equilibrium position when its equilibrium has been disturbed, or a similar movement of the particles of an air mass or the like, as in sound transmission.
derivation: vibrational (adj.)