selenyln.
/ˈsɛlɪnɪl/ Chemistry.
A compound radical consisting of one atom of selenium and one of oxygen.
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thionyl1866
selenyl1910
sulphonyl1920
1910 Encycl. Brit. XXIV. 602/2.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2018).
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n.1910