Simple past tense and past participle of burn. (verb)
Examples of word burnt
With those 'records of the past,' which my old friend Stillinghast ought to have _eaten_ up years ago, you have burnt up legacies to orphans, benefactions to widows, and many noble charities with it -- _if it was burnt_, "added Mr. Fielding.
We wouldn't ever use the term burnt but we have, as I mentioned, investments and receivables in increase there of about $8 million in this first quarter as our sales have gone up to $75 million from I think about $65 or $66 million in the fourth quarter of '08.