Celsius

American  

[sel-see-uhs, -shee-] / ˈsɛl si əs, -ʃi- /

noun

1. Anders 1701–44, Swedish astronomer who devised the Celsius temperature scale.

---

adjective

1. Also Centigrade pertaining to or noting a temperature scale Celsius scale in which 0° represents the ice point and 100° the steam point. C

2. Thermodynamics. of or relating to a temperature scale having the same units as the Celsius scale but in which the zero point has been shifted so that the triple point of water has the exact value 0.01°; Celsius temperatures are computed from Kelvin values by subtracting 273.15 from the latter. C

Celsius British  

/ ˈsɛlsɪəs /

adjective

1. C. denoting a measurement on the Celsius scale

---

Celsius ¹ Scientific  

/ sĕl′sē-əs /

1. Relating to a temperature scale on which the freezing point of water is 0° and the boiling point of water is 100° under normal atmospheric pressure.

2. See Note at centigrade

---

Celsius ² Scientific  

1. Swedish astronomer who invented the centigrade thermometer in 1742.

---

Celsius ¹ Cultural  

1. A temperature scale, also called centigrade, according to which water freezes at zero degrees and boils at one hundred degrees.

---

Celsius ² Cultural  

1. A temperature scale in which zero degrees is the freezing point of water and 100 degrees is the boiling point. Temperature in this scale is generally denoted by °C or, in scientific usage, C alone. (Compare Fahrenheit (see also Fahrenheit).)

---

Etymology

Origin of Celsius

C18: named after Anders Celsius (1701–44), Swedish astronomer who invented it

---

Example Sentences

See Examples For:

Celsius

“This is what will happen to our planet at plus two degrees Celsius, plus three, plus four,” she says.

From Los Angeles Times ● Oct. 12, 2026

Temperatures will peak at 14 to 19 Celsius, slightly above the mid-October average of 12-16C.

From BBC ● Oct. 11, 2026

Temperatures by Thursday dawn will be between 3 and 9 Celsius in most towns and cities although rural places could be several degrees lower.

From BBC ● Oct. 6, 2026

Recent purchases from executives at Altria, Tyson Foods and Celsius Holdings stand out.

From The Wall Street Journal ● Oct. 6, 2026

However, the surface of the planet is a scorching 467 degrees Celsius, the ground is barren and rocky, and clouds of sulfuric acid roam the atmosphere.

From "We Are the Ants" by Shaun David Hutchinson

Random Word

Spin the wheel and learn a new word!

---