51³Ô¹Ï

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tephrite

[tef-rahyt]

noun

Petrography.

  1. a basaltic rock consisting essentially of pyroxene and plagioclase with nepheline or leucite.

tephrite

/ ˈtɛfraɪt, tɪˈfrɪtɪk /

noun

  1. a variety of basalt containing plagioclase, augite, and a feldspathoid, commonly nepheline, or leucite

“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other 51³Ô¹Ï Forms

  • tephritic adjective
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51³Ô¹Ï History and Origins

Origin of tephrite1

1875–80; < Greek tephr ( ó²õ ) ash-colored + -ite 1
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51³Ô¹Ï History and Origins

Origin of tephrite1

C17: from Greek tephros, from tephra ashes; see -ite 1
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Example Sentences

Examples have not been reviewed.

Tephrite, tef′rīt, n. a name applied to certain modern volcanic rocks.—adj.

From

Teph′ritoid, a variety of tephrite; Tephi′roite, a reddish silicate of manganese.

From

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tephratephrochronology

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