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单词 antholeucin
释义

antholeucinn.

Forms: 1800s antholeucine (in dictionaries), 1800s–1900s antholeucin.
Origin: A borrowing from German. Etymon: German Antholeucin.
Etymology: < German Antholeucin (J. A. Buchner 1835, in a review of L. C. Marquart Die Farben der Blüthen (1835) in Repertorium für die Pharmacie 54 293) < Antho- antho- comb. form + ancient Greek λευκός white (see leuco- comb. form) + German -in -in suffix1. The substance was first obtained by Marquart, but named by Buchner.
Obsolete. rare.
A substance isolated from flowers, thought to act as a white colouring agent.
ΚΠ
1863 H. Watts Dict. Chem. I. 309 Antholeucin, the white colouring matter of flowers.
1886 S. H. Vines Lect. Physiol. Plants xii. 242 The dissolved colouring-matters are, in white flowers, antholeucin, in blue, anthocyanin.
1911 J. A. Thomson Biol. Seasons 92 There is such a thing as white flower-pigment (antholeucin), but in most cases the petals or sepals are white..because of innumerable gas-bubbles in the cells.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online September 2021).
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n.1863
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