# kelvin

> English word · Noun · IPA /ˈkɛlvɪn/ · frequency rank #19,878

## Definitions
1. In the International System of Units, the base unit of thermodynamic temperature; ¹⁄_(273.16) of the thermodynamic temperature of the triple point of water.
2. One degree of difference on this scale, as a unit interval.
3. A measurement of color warmth defined by the temperature kelvin at which an incandescent blackbody would emit a given color.

## Etymology
Named after Irish-born Scottish physicist William Thomson, Lord Kelvin.

## Easily confused with
- **Kevin** (https://plainspell.com/en/vs/kelvin-vs-kevin)
- **Klein** (https://plainspell.com/en/vs/kelvin-vs-klein)

## Common misspellings (9)
`eklvin`, `kelivn`, `kellvin`, `kelvinn`, `kelvni`, `kelvvin`, `kevlin`, `kkelvin`, `klevin`

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