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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.
Jun 24, 2024 · 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.
Definition of sound noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A sound is a noise, something you can hear if you're in the right spot and it's loud enough. A doorbell, a fire alarm, a cat's meow, or your brother's snoring — they’re all sounds. SKIP TO CONTENT
