teph|rite «TEHF ryt», noun.
any one of a group of volcanic rocks related to basalt.
[< Greek tephrós ash-colored]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Tephrite — Teph rite, n. [Gr. ? ashes.] (Geol.) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both. [1913 Webster] …   The Collaborative International Dictionary of English

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