a. [ F. acoustique, Gr. &unr_; relating to hearing, fr. &unr_; to hear. ] Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. [ 1913 Webster ]
Acoustic duct,
Acoustic telegraph,
Acoustic vessels,
n. A medicine or agent to assist hearing. [ 1913 Webster ]
a. Of or pertaining to acoustics. [ 1913 Webster ]
adv. In relation to sound or to hearing. Tyndall. [ 1913 Webster ]
n. One versed in acoustics. Tyndall. [ 1913 Webster ]
n. [ Names of sciences in -ics, as, acoustics, mathematics, etc., are usually treated as singular. See -ics. ] (Physics.) The science of sounds, teaching their nature, phenomena, and laws. [ 1913 Webster ]
Acoustics, then, or the science of sound, is a very considerable branch of physics. Sir J. Herschel. [ 1913 Webster ]
☞ The science is, by some writers, divided, into diacoustics, which explains the properties of sounds coming directly from the ear; and catacoustica, which treats of reflected sounds or echoes. [ 1913 Webster ]