# absolute zero

> English word · Noun · IPA /ˈæb.səˌlut ˈzi.ɹoʊ/

## Definitions
1. 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.
2. A person or thing of absolutely no consequence.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/absolute-zero