# Celsius

Pronunciation: US say "SEL-see-uhs" /ˈsɛlsiəs/; UK

## Adjective

1. Relating to a metric temperature scale on which water freezes at 0 degrees and boils at 100 degrees at standard atmospheric pressure.
   - Simple: Belonging to a temperature scale where water freezes at 0 degrees and boils at 100 degrees.
   - _Laboratory thermometers in most countries are calibrated in Celsius units._
   - _At standard pressure, a Celsius reading of 100 marks the boiling point of water._

## Origin

Named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed the centigrade scale in 1742. His surname is a Latinized form of the estate's name, from Latin 'celsus' ('mound').

Source: DictionaryAI, https://dictionaryai.com/define/celsius (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).