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thionyl

[ thahy-uh-nil ]

adjective

, Chemistry.

thionyl

/ ˈθaɪənɪl /

noun

  1. modifier of, consisting of, or containing the divalent group SO Alsosulphinyl

    a thionyl group or radical

    thionyl chloride

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Word History and Origins

Origin of thionyl1

1870–75; < Greek theîon sulfur + -yl

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Word History and Origins

Origin of thionyl1

C19 thion-, from Greek theion sulphur + -yl

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thioninethionyl chloride

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