Combust Definition

kəm-bŭst
combusted, combusting, combusts
verb
combusted, combusting, combusts
To catch fire; burst into flame.
The fire started when a pile of oily rags spontaneously combusted.
American Heritage
To undergo or cause to undergo combustion; burn.
Webster's New World
To become suddenly angry or agitated.
The defendant combusted when he heard the verdict.
American Heritage
To cause to burn; ignite.
American Heritage
To cause to become angry or violent.
Riots that are combusting whole provinces.
American Heritage
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adjective

(astrology) In close conjunction with the sun (so that its astrological influence is "burnt up"), sometimes specified to be within 8 degrees 30'.

Wiktionary

Origin of Combust

  • From Old French combust, from Latin combūstus.

    From Wiktionary

  • Back-formation from combustion

    From American Heritage Dictionary of the English Language, 5th Edition

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