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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. SOUND definition: 1. something that you can hear or that can be heard: 2. the activity of recording and broadcasting…. Learn more.

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

  4. May 14, 2016 · 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. SOUND definition: 1. something that you hear or that can be heard: 2. how something seems to be, from what you have…. Learn more.

  6. 4 days ago · Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. A purely subjective, but unduly restrictive, definition of sound is also possible, as that which is perceived by the ear. Learn more about the properties and types of sound in this article.

  7. 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.

  8. 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.

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