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syenite

Pronunciation: /ˈsʌɪənʌɪt/

Definition of syenite

noun

[mass noun] Geology
  • a coarse-grained grey igneous rock composed mainly of alkali feldspar and ferromagnesian minerals such as hornblende.

Derivatives

syenitic

Pronunciation: /-ˈnɪtɪk/

adjective

Origin:

late 18th century: from French syénite, from Latin Syenites (lapis) '(stone) of Syene' (from Greek Suēnē Aswan in Egypt)

syenite in other Oxford dictionaries

Definition of syenite in the US English dictionary
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