Celsius

adjective

Cel·​si·​us ˈsel-sē-əs How to pronounce Celsius (audio)
-shəs
: relating to, conforming to, or having the international thermometric scale on which the interval between the triple point of water and the boiling point of water is divided into 99.99 degrees with 0.01° representing the triple point and 100° the boiling point
10° Celsius
also : centigrade
abbreviation C

Examples of Celsius in a Sentence

The temperature reached 23 degrees Celsius.

Word History

Etymology

Anders Celsius

First Known Use

1816, in the meaning defined above

Time Traveler
The first known use of Celsius was in 1816

Dictionary Entries Near Celsius

Cite this Entry

“Celsius.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Celsius. Accessed 19 Jul. 2024.

Kids Definition

Celsius

adjective
Cel·​sius ˈsel-sē-əs How to pronounce Celsius (audio)
ˈsel-shəs
: relating to or having a scale for measuring temperature on which the interval between the triple point and the boiling point of water is divided into 99.99 degrees with 0.01° representing the triple point and 100.00° the boiling point
also : centigrade
abbreviation C

Medical Definition

Celsius

adjective
: relating to or having a scale for measuring temperature on which the interval between the triple point and the boiling point of water is divided into 99.99 degrees with 0.01° being the triple point and 100.00° the boiling point
abbreviation C
compare centigrade

Biographical Definition

Celsius

biographical name

Cel·​sius ˈsel-sē-əs How to pronounce Celsius (audio)
-shəs
Anders 1701–1744 Swedish astronomer
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