Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The science of the interaction of acoustic and optical phenomena.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics The science that studies the diffraction of light by ultrasonic sound.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[acoust(ic) + optics.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

acousto- +‎ optics

Examples

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