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Pamlico Sound
(Encyclopedia)Pamlico Sound pămˈlĭkō [key], lagoon, 80 mi (129 km) long and 15 to 30 mi (24–48 km) wide, E N.C., separated from the Atlantic Ocean by a row of low, sandy barrier islands; largest lagoon along ...Parry Sound
(Encyclopedia)Parry Sound, town (1991 pop. 6,125), S Ont., Canada, on Parry Sound, an inlet of Georgian Bay of Lake Huron. It is an active port and the center of a popular vacation area. ...Sound, the
(Encyclopedia)Sound, the: see Øresund, Denmark and Sweden. ...sound barrier
(Encyclopedia)sound barrier: see aerodynamics. ...Norton Sound
(Encyclopedia)Norton Sound, inlet of the Bering Sea, c.150 mi (240 km) long and 125 mi (200 km) across at its widest point, W Alaska, S of the Seward Peninsula. Norton Bay is its northeast arm. Nome is on the north...Owen Sound
(Encyclopedia)Owen Sound, city (1991 pop. 21,674), SE Ont., Canada, on Owen Sound. It is a port and railroad terminal in a farming region, and it has large grain elevators. There are printing and other industries. ...Seattle
(Encyclopedia)Seattle sēătˈəl [key], city (2020 pop. 737,015), seat of King co., W Wash., built on seven ...Port Royal Sound
(Encyclopedia)Port Royal Sound, arm of the Atlantic Ocean, between St. Helena and Parris islands to the north and Hilton Head Island to the south, in S S.C.; it receives the Broad River. The sound was named in 1562...microphone
(Encyclopedia)microphone, device for converting sound into electrical energy, used in radio broadcasting, recording, and sound amplifying systems. Its basic component is a diaphragm that responds to the pressure or...vibration
(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...Browse by Subject
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