- to burn.
Origin of combust
Examples from the Web for combust
Venus and Mercury, when thus 'combust,' lost their influence.Chaucer's Works, Volume 2 (of 7)
A planet was said to be combust when its light was extinguished by proximity to the sun.
When Venus and Mercury were ‘combust’ their influence was lost.
All astrologers agree that a planet is fortified by this position, but a planet when combust is very evil in its influences.The Influence of the Stars
- astrology (of a star or planet) invisible for a period between 24 and 30 days each year due to its proximity to the sun
- chem to burn
Word Origin and History for combust
late 14c. as an adjective, "burnt," from Old French combust (14c.), from Latin combustus, past participle of combuere "to burn up, consume" (see combustion). Also an astrological term for planets when near the sun. The verb is attested from late 15c. Related: Combusted; combusting.