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Definition of Tephrite
1. n. An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.
Definition of Tephrite
1. Noun. (geology) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both. ¹
¹ Source: wiktionary.com
Definition of Tephrite
1. a volcanic rock [n -S]
Medical Definition of Tephrite
1.