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sound barrier

(Encyclopedia)sound barrier: see aerodynamics. ...

sound recording

(Encyclopedia)sound recording, process of converting the acoustic energy of sound into some form in which it can be permanently stored and reproduced at any time. In 1855 the inventor Leon Scott constructed a devic...

Scoresby Sound

(Encyclopedia)Scoresby Sound, arm of the Greenland Sea, E Greenland. It has numerous fjords that branch out generally westward to the ice cap. Some of the branches extend more than 180 mi (290 km) inland. At its mo...

stereophonic sound

(Encyclopedia)stereophonic sound, sound recorded simultaneously through two or more electronic channels. For live recordings, microphones are placed in different positions relative to the sound source. The recorded...

Tacoma

(Encyclopedia)Tacoma təkōˈmə [key], city (1990 pop. 176,664), seat of Pierce co., W Wash., on Commencement Bay and Puget Sound at the mouth of the Puyallup River; inc. 1884. It is a major seaport and railroad t...

Douglas, David

(Encyclopedia)Douglas, David, 1798–1834, Scottish botanist. He made several journeys in North America between 1823 and 1834 to study American plants and sent to Scotland more than 200 plants and seeds then unknow...

Juan de Fuca Strait

(Encyclopedia)Juan de Fuca Strait wän də fyo͞oˈkə [key], inlet of the Pacific Ocean, 100 mi (161 km) long and 11 to 17 mi (18–27 km) wide, between Vancouver Island, British Columbia, and Washington state, li...

Klallam

(Encyclopedia)Klallam klălˈəm [key], Native North Americans whose language belongs to the Salishan branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They formerly occupied the s...

Everett

(Encyclopedia)Everett. 1 City (2020 pop. 49,075), Middlesex co., E Mass., an industrial suburb of Boston, on the Mystic River; settled c.1643, set off ...

Skagit

(Encyclopedia)Skagit skăjˈĭt [key], river, c.150 mi (240 km) long, rising in the Cascade Range, British Columbia, and flowing SW through Wash. into Puget Sound. Gorge High Dam, Diablo Dam, and Ross Dam provide e...