[ˈsʌɪənʌɪt], (Noun)

Definitions:
- a coarse-grained grey igneous rock composed mainly of alkali feldspar and ferromagnesian minerals such as hornblende


Phrases:

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