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octahedrite

 - 2 dictionary results

oc⋅ta⋅he⋅drite

[ok-tuh-hee-drahyt]
–noun Mineralogy.
anatase.

Origin:
1795–1805; < LL octahedr(os) eight-sided < Gk oktáedron (see octahedron ) + -ite 1

an⋅a⋅tase

[an-uh-teys, -teyz]
–noun Mineralogy.
a naturally occurring crystalline form of titanium dioxide, TiO2.
Also called octahedrite.


Origin:
1835–45; < F < Gk anátasis, equiv. to ana- ana- + ta- (var. s. of teínein to stretch) + -sis -sis
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Based on the Random House Dictionary, © Random House, Inc. 2010.
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