absolute zero

== English == === Pronunciation === (US) IPA(key): /ˈæb.səˌlut ˈzi.ɹoʊ/, /ˌæb.səˈljut ˈzi.ɹoʊ/ === Noun === absolute zero (plural absolute zeros) (physics) The coldest possible temperature, equivalent to zero on the Kelvin scale, or approximately −273.15 °C, −459.67 °F; a total absence of heat; the temperature at which the motion of all molecules would cease. [First attested in the early 19th century.] (slang, derogatory) A person or thing of absolutely no consequence. ==== Translations ==== ==== Further reading ==== absolute zero on Wikipedia.Wikipedia