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Dictionary

fluor•ap•a•tite

Pronunciation: (floor-ap'u-tīt", flôr-, flōr-), [key]
—n.
a crystalline mineral, Ca₅(PO₄)₃F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

fluor

fluorene

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