Definition of optoacoustic in English:

optoacoustic

adjective

Physics
  • Of or relating to both light and sound; specifically designating or relating to an effect whereby a light beam periodically interrupted at an audio frequency produces an audible sound when made to irradiate an enclosed body of gas; photoacoustic.

Origin

1970s; earliest use found in Journal of Applied Physics. From opto- + acoustic.

Pronunciation

optoacoustic

/ˌɒptəʊəˈkuːstɪk/