sy·​e·​nite ˈsī-ə-ˌnīt How to pronounce syenite (audio)
: an igneous rock composed chiefly of feldspar
syenitic adjective

Examples of syenite in a Sentence

Recent Examples on the Web Erik Rintamaki is credited with finding the sodalite-rich syenite rocks in 2017 on a Lake Superior beach near Brimley. USA TODAY, 15 July 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'syenite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin Syenites (lapis) stone of Syene, from Syene, ancient city in Egypt

First Known Use

circa 1796, in the meaning defined above

Time Traveler
The first known use of syenite was circa 1796

Dictionary Entries Near syenite

Cite this Entry

“Syenite.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

Kids Definition


: an igneous rock composed chiefly of feldspar

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