# Celsius

> English word · Adjective · IPA /ˈsɛlsiəs/ · frequency rank #19,780

## Definitions
1. Related to a metric temperature scale, originally defined as having the freezing point of water as 0 degrees and its boiling point as 100 degrees, at standard atmospheric pressure. The standardized definition has 0.01 °C as the triple point of water, and a difference in temperature of 1 °C corresponds to ¹⁄_(273.16) of the difference in temperature between the triple point and the absolute zero.

## Etymology
Named after Swedish astronomer Anders Celsius (1701–1744), who first proposed the centigrade scale in 1742. The surname is Latinized from the estate's name, Latin celsus (“mound”).

## Easily confused with
- **census** (https://plainspell.com/en/vs/celsius-vs-census)
- **Cassius** (https://plainspell.com/en/vs/cassius-vs-celsius)

## Common misspellings (10)
`ccelsius`, `celisus`, `cellsius`, `celsisu`, `celsiuss`, `celssius`, `celsuis`, `ceslius`, `clesius`, `eclsius`

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