IGNI'TION, noun The act of kindling, or setting on fire. 1. The act or operation of communicating fire or heat, till the substance becomes red or luminous. 2. The state of being kindled; more generally, the state of being heated to redness or luminousness. 3. Calcination.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI