umbelliferonen.

/ʌmbɛˈlɪfərəʊn/

Forms: Also umbelliferon.

Etymology: < umbellifer n. + -one suffix.

Chemistry.

A colourless, tasteless, crystalline substance obtained from the bark of mezereon, and, by distillation, from various umbellifers.

ΘΚΠ

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umbelliferone1868

1868 H. Watts Dict. Chem. V. 938 Umbelliferone forms colourless rhombic prisms, having a faint silky lustre.

1876 J. Harley Royle's Man. Materia Med. (ed. 6) 598 The resin yields oils of a green or purple tint, and about ¼ per cent. of umbelliferone, C₉H₆C₃, which is isomeric with quinone.

This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2020).

单词	umbelliferone
释义	umbelliferonen. /ʌmbɛˈlɪfərəʊn/ Forms: Also umbelliferon. Etymology: < umbellifer n. + -one suffix. Chemistry. A colourless, tasteless, crystalline substance obtained from the bark of mezereon, and, by distillation, from various umbellifers. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > from bark umbelliferone1868 1868 H. Watts Dict. Chem. V. 938 Umbelliferone forms colourless rhombic prisms, having a faint silky lustre. 1876 J. Harley Royle's Man. Materia Med. (ed. 6) 598 The resin yields oils of a green or purple tint, and about ¼ per cent. of umbelliferone, C₉H₆C₃, which is isomeric with quinone. This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2020). < n.1868
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