absolute zero

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English[edit]

Pronunciation[edit]

  • (US) IPA(key): /ˈæb.səˌlut ˈzi.ɹoʊ/, /ˌæb.səˈljut ˈzi.ɹoʊ/

Noun[edit]

absolute zero ‎(plural absolute zeros)

  1. (physics) The coldest possible temperature, zero on the Kelvin scale, or approximately −273.15 °C, −459.67 °F; total absence of heat; temperature at which motion of all molecules would cease. [First attested in the early 19th century.]
  2. (slang) A person or thing of absolutely no consequence.

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