An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.
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
8 November 2024
(noun) the act of furnishing an equivalent person or thing in the place of another; “replacing the star will not be easy”
An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.