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- Dictionarysound/saʊnd/
noun
- 1. vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear: "light travels faster than sound"
- 2. sound produced by continuous and regular vibrations, as opposed to noise.
verb
- 1. emit or cause to emit sound: "a loud buzzer sounded" Similar
- 2. convey a specified impression when heard: "he sounded worried"
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SOUND definition: 1. something that you can hear or that can be heard: 2. the activity of recording and broadcasting…. Learn more.
Jul 1, 2012 · 1. a. : a particular auditory impression : tone. b. : the sensation perceived by the sense of hearing. c. : mechanical radiant energy that is transmitted by longitudinal pressure waves in a material medium (such as air) and is the objective cause of hearing. 2. a. : a speech sound. a peculiar r-sound. b. : value in terms of speech sounds.
Noise, caused by irregular vibrations, is more properly applied to a loud, discordant, or unpleasant sound: the noise of shouting. Tone is applied to a musical sound having a certain quality, resonance, and pitch.
In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain. [1] .
a periodic disturbance in the pressure or density of a fluid or in the elastic strain of a solid, produced by a vibrating object. It has a velocity in air at sea level at 0°C of 331 metres per second (741 miles per hour) and travels as longitudinal waves. b. ( as modifier) a sound wave.
1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a speed of approximately 1087 ft. (331 m) per second at sea level and at other speeds in other media.
[uncountable] continuous rapid movements (called vibrations) that travel through air or water and can be heard when they reach a person’s or an animal’s ear. Sound travels more slowly than light. aircraft that can fly faster than the speed of sound. Sound carries well over calm water. Oxford Collocations Dictionary. from television/radio.
