thionyl

[ thahy-uh-nil ]
/ ˈθaɪ ə nɪl /

adjective Chemistry.

Origin of thionyl

1870–75; < Greek theîon sulfur + -yl

British Dictionary definitions for thionyl

thionyl
/ (ˈθaɪənɪl) /

noun

(modifier) of, consisting of, or containing the divalent group SO a thionyl group or radical; thionyl chloride Also: sulphinyl

Word Origin for thionyl

C19 thion-, from Greek theion sulphur + -yl