Dictionary

syenite

noun sy·e·nite \ˈsī-ə-ˌnīt\

Definition of SYENITE

:  an igneous rock composed chiefly of feldspar
sy·e·nit·ic \ˌsī-ə-ˈni-tik\ adjective
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Origin of SYENITE

Latin Syenites (lapis) stone of Syene, from Syene, ancient city in Egyptian
First Known Use: circa 1796

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