A type of early firecracker or firework created by friction, named after its inventor William Congreve.
Named after Sir William Congreve (1772-1828), a British military engineer and inventor. The word became a common noun for this type of self-igniting firework.
Congreve rockets and Congreve fireworks revolutionized military signaling and celebrations—his name became so associated with the invention that it became a common noun, like 'xerox.'
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