Burning Brier

Combustion

Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke. Combustion does not always result in fire, because a flame is only visible when substances undergoing combustion vaporize, but when it does, a flame is a characteristic indicator of the reaction. While activation energy must be supplied to initiate combustion, the heat from a flame may provide enough energy to make the reaction self-sustaining. The study of combustion is known as combustion science.

burning

Verb

1. present participle and gerund of burn

Adjective

1. So hot as to seem to burn (something).
2. Feeling very hot.

brier

Noun

1. Alternative spelling of briar.