EXPLO'SION, noun s as z. [from explode.] 1. A bursting with noise; a bursting or sudden expansion of any elastic fluid, with force and a loud report; as the explosion of powder. 2. The discharge of a piece of ordnance with a loud report. 3. The sudden burst of sound in a volcano, etc.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI