[uh-koo-stoh-op-tiks] 
) | the science and technology of the interactions between sound waves and light waves passing through material media, esp. as applied to the modulation and deflection of laser beams by ultrasonic waves. |
| a·cous·to·op·tics (ə-kōō'stō-ŏp'tĭks) n. (used with a sing. verb) The science of the interaction of acoustic and optical phenomena. [acoust(ic) + optics.] a·cous'to·op'ti·cal adj., a·cous'to·op'ti·cal·ly adv. |