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Definition of celsius

celsius

/ˈsɛl.si.əs/
cel · si · us
Adjective:Celsius
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celsius Lexical Profile

• adjective

1

Relating to, measured on, or conforming to a temperature scale in which water freezes at 0 degrees and boils at 100 degrees under standard atmospheric pressure.

Example

"The laboratory incubator was maintained at a constant temperature of 37 degrees Celsius."

Synonyms
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• noun

1

The standard metric scale of temperature in which the interval between the freezing point of water (0°) and the boiling point of water (100°) is divided into 100 equal degrees.

Example

"Most countries around the world report daily weather forecasts in Celsius rather than Fahrenheit."

Synonyms
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• Nearby Words

celluloid
celosia
celotex
celsius
celtic
celts
celtuce

Word Origin & Etymology

Named after Anders Celsius (1701–1744), the Swedish astronomer and physicist who devised a 100-degree temperature scale in 1742.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Celsius. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/celsius
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