Dictionary

spontaneous combustion

noun

: burning that is caused by chemical actions inside of something rather than by heat from the outside

Full Definition of SPONTANEOUS COMBUSTION

:  self-ignition of combustible material through chemical action (as oxidation) of its constituents —called also spontaneous ignition

First Known Use of SPONTANEOUS COMBUSTION

1795

Browse

Next Word in the Dictionary: spontaneous generationPrevious Word in the Dictionary: spontaneous amputationAll Words Near: spontaneous combustion
April 28, 2015
portmanteau Hear it
a word formed by the blending of words
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears