Loudness
413. Loudness
- boiler factory proverbial source of noise and confusion. [Am. Culture: Misc.]
- breaking of the sound barrier boom of plane heard exceeding speed of about 750 m.p.h. or Mach 1. [Aviation: Misc.]
- Concorde supersonic jet of British-French design. [Eur. Hist.: EB, III: 66]
- Joshua Jericho walls razed by clamorous blasts from his troops’ trumpets. [O.T.: Joshua 6]
- Krakatoa volcanic explosion on this Indonesian island heard 3000 miles away (1883). [Asian Hist.: NCE, 1500]
- Olivant Roland’s horn, whose blast kills birds and is heard by Charlemagne, eight miles away. [Fr. Legend: Brewer Dictionary, 772]
- sonic boom shock wave from plane breaking the speed of sound. [Aviation: Misc.]
- Stentor Greek herald with voice of 50 men. [Gk. Myth.: Espy, 39]
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Echo (greek) , ech·o / ˈekō/ • n. (pl. ech·oes) 1. a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener: the wall… Acoustics , The area of physics known as acoustics is devoted to the study of the production, transmission, and reception of sound. Thus, wherever sound is produ… Mile , mile / mīl/ • n. (also statute mile) a unit of linear measure equal to 5,280 feet, or 1,760 yards (approx. 1.609 kilometers). ∎ hist. (also Roman mil… Break , break / brāk/ • v. (past broke / brōk/ ; past part. brok·en / ˈbrōkən/ ) 1. separate or cause to separate into pieces as a result of a blow, shock, o… sound barrier , sound barrier Name for the cause of an aircraft's difficulties in accelerating to a speed faster than that of sound. When approaching the speed of so… Sonic boom , Sonic boom
When an object moves through a fluid, it displaces that fluid in the form of a shock wave. The path left by a speedboat in water is an exa…
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Loudness