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  1. Dictionary
    Sound
    /sound/

    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 go (off)resonateresoundreverberate
    • 2. convey a specified impression when heard: "he sounded worried"
  2. en.wikipedia.org › wiki › SoundSound - Wikipedia

    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.

  3. 1. a. Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable of being detected by human organs of hearing. b. Transmitted vibrations of any frequency. c. The sensation stimulated in the organs of hearing by such vibrations in the air or other medium. d.

  4. 2 days ago · Sound is energy that travels in waves through air, water, or other substances, and can be heard. The aeroplane will travel at twice the speed of sound. 3. singular noun. The sound on a television, radio, or CD player is what you hear coming from the machine. Its loudness can be controlled.

  5. 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.

  6. Britannica Dictionary definition of SOUND. 1. : something that is heard. [count] the sound of footsteps/thunder. the sounds of laughter. I heard a loud, buzzing sound. [= noise] [+] more examples. [noncount] devices used to record sound. measuring the speed of sound [=the speed at which the vibrations that create sounds move through the air] 2.

  7. Check pronunciation: sound. Definition of sound noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  8. SOUND definition: 1. something that you hear or that can be heard: 2. how something seems to be, from what you have…. Learn more.

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