Definition of ignition temperature
: the lowest temperature at which a combustible substance when heated (as in a bath of molten metal) takes fire in air and continues to burn —called also autogenous ignition temperature — compare fire point
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up ignition temperature? Please tell us where you read or heard it (including the quote, if possible).