an·​a·​tase | \ ˈa-nə-ˌtās How to pronounce anatase (audio) , -ˌtāz\

Definition of anatase

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

Examples of anatase in a Sentence

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Titanium oxide is rare on Earth, found in minerals such as rutile, anatase, and brookite. Jay Bennett, Popular Mechanics, "Scorching Hot Planet Has a Titanium Atmosphere," 13 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anatase.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of anatase

1802, in the meaning defined above

History and Etymology for anatase

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: Term 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.

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The first known use of anatase was in 1802

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