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collophane

[ kol-uh-feyn ]
/ ˈkɒl əˌfeɪn /

noun Mineralogy.

a massive, cryptocrystalline variety of apatite that is the principal component of phosphate rock and fossil bone.

Nearby words

colloidal gel, colloidal solution, colloidal suspension, colloidin, collop, collophane, collophore, colloq., colloquia, colloquial, colloquialism
Also col·loph·a·nite [kuh-lof-uh-nahyt, kol-uh-fuh-] /kəˈlɒf əˌnaɪt, ˈkɒl ə fə-/.

Origin of collophane

1915–20; < German Kollophan, equivalent to Greek koll(a) glue + -o- -o- + -phan -phane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019