cuspidine

noun

cus·​pi·​dine

ˈkəspəˌdēn,

-dīn

plural -s

: a mineral Ca₄Si₂O₇(F,OH)₂ consisting of a basic silicate of calcium

Word History

Etymology

Italian cuspidina, from Latin cuspid-, cuspis point + Italian -ina -ine

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