# thermonuclear

> English word · Adjective · IPA /ˌθɜː.məʊˈnjuːk.liː.ə/ · frequency rank #43,415

## Definitions
1. Of, or relating to the fusion of atomic nuclei at high temperatures.
2. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those based on fission.

## Etymology
From thermo- + nuclear.

## Common misspellings (20)
`htermonuclear`, `tehrmonuclear`, `themronuclear`, `thermmonuclear`, `thermnouclear`, `thermonculear`, `thermonnuclear`, `thermonucclear`, `thermonucelar`, `thermonuclaer`, `thermonuclearr`, `thermonuclera`, `thermonucllear`, `thermonulcear`, `thermounclear`, `theromnuclear`, `therrmonuclear`, `thhermonuclear`, `thremonuclear`, `tthermonuclear`

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