polycrase

noun

poly·​crase
-āz
plural -s
: a mineral (Y,Ca,Ce,U,Th)(Ti,Cb,Ta)2O6 consisting of a columbate and titanate of the metals of the yttrium group that is isomorphous with euxenite (hardness 5–6, specific gravity 5)

Word History

Etymology

German polykras, from poly- + -kras (from Greek krasis mixing, combination)

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Cite this Entry

“Polycrase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycrase. Accessed 15 Apr. 2024.

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