syenodiorite

noun
sy·​e·​no·​diorite | \ ¦sīəˌnō+ \

Definition of syenodiorite

: a plutonic rock composed of acid plagioclase, less orthoclase, and a ferromagnesian mineral — compare granodiorite

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History and Etymology for syenodiorite

syenite + -o- + diorite

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Dictionary Entries Near syenodiorite

syenite

syenodiorite

syenogabbro

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Cite this Entry

“Syenodiorite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/syenodiorite. Accessed 17 Aug. 2022.

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