SG Heritage Dictionary

Word of the Day: Catachrestical

Microcoustic [Noun] Webster's Dictionary 1828

An instrument to augment small sounds, and assist in hearing.

Microcoustic [Adjective] Webster's Dictionary 1913

Pertaining, or suited, to the audition of small sounds; fitted to assist hearing.

Microcoustic [Noun] Webster's Dictionary 1913

An instrument for making faint sounds audible, as to a partially deaf person.