acoustics
(noun) the study of the physical properties of sound
Source: WordNet® 3.1
acoustics (uncountable)
See -ics regarding the treatment of such nouns as singular.
The physical quality of a space for conveying sound.
(physics) The science of sounds, teaching their nature, phenomena and laws.
• The science was previously divided by some writers into diacoustics, which explains the properties of sounds coming directly from (sic! Webster) the ear; and catacoustica, which treats of reflected sounds or echoes. This division is now obsolete.
Source: Wiktionary
A*cous"tics (#; 277), n. Etym: [Names of sciences in -ics, as, acoustics, mathematics, etc., are usually treated as singular. See - ics.] (Physics.)
Definition: The science of sounds, teaching their nature, phenomena, and laws. Acoustics, then, or the science of sound, is a very considerable branch of physics. Sir J. Herschel.
Note: 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.
A*cous"tic (#; 277), a. Etym: [F. acoustique, Gr.
Definition: Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. Acoustic duct, the auditory duct, or external passage of the ear.
– Acoustic telegraph, a telegraph making audible signals; a telephone.
– Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance.
A*cous"tic, n.
Definition: A medicine or agent to assist hearing.
Source: Webster’s Unabridged Dictionary 1913 Edition
21 May 2024
(verb) tamper, with the purpose of deception; “Fudge the figures”; “cook the books”; “falsify the data”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
