anatase

noun

an·a·tase ˈa-nə-ˌtās

-ˌtāz

: a tetragonal mineral consisting of titanium dioxide and used especially as a white pigment

Examples of anatase in a Sentence

Recent Examples on the Web Titanium oxide is rare on Earth, found in minerals such as rutile, anatase, and brookite. —

Jay Bennett, Popular Mechanics, 13 Sep. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anatase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from French, borrowed from Greek anátasis "extension upward, height," action noun derivative (with -sis -sis) from anateínein "to stretch out, lift up, extend," from ana- ana- + teínein "to stretch, extend" — more at tenant entry 1

Note: The term was introduced by the French mineralogist René Just Haüy (1743-1822) in Traité de Minéralogie, tome 3 (Paris, 1801), p. 129. The name alludes to the steep angle of the crystal's pyramid relative to other minerals.

First Known Use

1802, in the meaning defined above

Time Traveler

The first known use of anatase was in 1802

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