acoustics Acousticon • acquaint · · · Info · Definitions · Characters · · acoustics · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the study of the physical properties of sound. · · Noun Definition 1 (noun) a remedy for hearing loss or deafness. Synonyms: acoustic. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075