Word.ws English Dictionary

sound barriers

sound barriers is the plural of sound barrier.

Meaning of sound barrier

Noun

sound barrier (countable and uncountable, plural sound barriers)

  1. (uncountable) Sonic barrier, the sudden increase in drag (resistance) and other effects experienced by moving objects when their speed approaches that of sound or becomes supersonic (which used to be considered a barrier to higher speeds).
  2. (countable) A noise barrier, a structure beside a highway designed to reduce the noise of traffic.
    • St Ives: The guided busway on the old railway alignment to Cambridge has just passed its tenth anniversary. Railfuture has noted its down-at-heel physical appearance, with dirty concrete beams, damaged sound barriers, and unmanaged vegetation.2021 October 6, Howard Johnston, “Regional News: Anglia”, in RAIL, number 941, page 29

Questions about sound barriers

What is sound barriers the plural of?
Sound barriers is the plural of sound barrier.

Words near sound barriers in the dictionary

  1. sound as a dollar
  2. sound as a pound
  3. sound as a roach
  4. sound asleep
  5. sound barrier
  6. sound barriers
  7. sound bath
  8. sound baths
  9. sound bite
  10. sound bites
  11. sound blimp

Source and license

Adapted from Wiktionary: sound barriers (page history and authors); sound barrier (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sound barriers.” Word.ws, https://word.ws/sound_barriers. Based on Wiktionary, CC BY-SA 4.0.