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cuspidine

noun cus·pi·dine \ ˈkəspəˌdēn , -dīn \
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Definition of cuspidine

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

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Origin and Etymology of cuspidine

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

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