[ uh-koo-stoh-op-tiks ]
/ əˌku stoʊˈɒp tɪks /
noun (used with a singular verb)
the science and technology of the interactions between sound waves and light waves passing through material media, especially as applied to the modulation and deflection of laser beams by ultrasonic waves.
Related formsa·cous·to·op·tic, a·cous·to·op·ti·cal, adjectivea·cous·to·op·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019