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

22 February 2025

ANALYSIS

(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’


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Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

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