vibrational adjective. [vʌɪ'breɪʃ(ǝ)n(ǝ)l] L19.
[from VIBRATION + -AL¹.]
Of or pertaining to vibration; vibratory; spec. in Physics, involving or resulting from particular modes of vibration or oscillation of the atoms in a molecule.
vibrational number Music (now rare) = FREQUENCY 4b.

■ vibrationally adverb M20.

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