PET'ROSILEX, noun [Latin petra, Gr. a stone, and silex, flint.] Rock stone; rock flint, or compact feldspar.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI
Founding-era definition · Webster's 1828 American Dictionary
PET'ROSILEX, noun [Latin petra, Gr. a stone, and silex, flint.] Rock stone; rock flint, or compact feldspar.
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