RUTILE

rutile

(noun) a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium

Source: WordNet® 3.1


Etymology

Noun

rutile (countable and uncountable, plural rutiles)

(mineral) The most frequent of the three polymorphs of titanium dioxide, crystalizing in the tetragonal system, TiO2.

Source: Wiktionary


Ru"tile, n. Etym: [L. rutilus red, inclining to golden yellow.] (Min.)

Definition: A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brooklite.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

5 May 2025

UNEXPLOITED

(adjective) not developed, improved, exploited or used; “vast unexploited (or undeveloped) natural resources”; “taxes on undeveloped lots are low”


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Coffee Trivia

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