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trachybasalt

noun
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trachy·​basalt | \ "+ \

Definition of trachybasalt

: a rock that is intermediate in composition between trachyte and basalt and that contains both orthoclase and basic plagioclase

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History and Etymology for trachybasalt

German, from trachy- + basalt

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Cite this Entry

“Trachybasalt.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/trachybasalt. Accessed 14 December 2019.

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