7. (Chem.) To cause to combine with oxygen or other active agent, with evolution of heat; to consume; to oxidize; as, a man burns a certain amount of carbon at each respiration; to burn iron in oxygen.
To burn, To burn together, as two surfaces of metal (Engin.), to fuse and unite them by pouring over them a quantity of the same metal in a liquid state. -- To burn a bowl (Game of Bowls), to displace it accidentally, the bowl so displaced being said to be burned. -- To burn daylight, to light candles before it is dark; to waste time; to perform superfluous actions. Shak. -- To burn one's fingers, to get one's self into unexpected trouble, as by interfering the concerns of others, speculation, etc. -- To burn out, to destroy or obliterate by burning. "Must you with hot irons burn out mine eyes?" Shak. -- To be burned out, to suffer loss by fire, as the burning of one's house, store, or shop, with the contents. -- To burn up, To burn down, to burn entirely.
Burn, v. i. 1. To be of fire; to flame. "The mount burned with fire." Deut. ix. 15.