viridinen.
/ˈvɪrɪdʌɪn/ 1. Botany. = chlorophyll n., chromule n.
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the world > plants > part of plant > cell or aggregate tissue > [noun] > pigment
chlorophyll1819
chromule1835
anthoxanthin1836
viridine1837
chlorophyllite1838
anthocyanin1853
phytochlore1866
chromophyll1882
aspergillin1891
phytochrome1893
1837 P. Keith Bot. Lexicon 59 The pulp constituting the parenchyma of the leaves was at one time designated by the appellation of viridine, because it is generally of a green colour.
1859 R. G. Mayne Expos. Lexicon Med. Sci. (1860) (at cited word)
2. Dyeing. A green aniline dye (see quots.).
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the world > matter > colour > named colours > green or greenness > green colouring matter > [noun] > pigment or dye > dyes and dyestuffs
greening worta1200
greening weeda1399
spinach-green1845
emeraldine1864
methyl green1873
malachite green1875
viridine1875
1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) I. 720 Viridine. A green dye has been obtained..by acting on rosolic acid with aniline and benzoic acid.
1882 Nature 6 Apr. 546/2 R. Meldola..investigates the action of benzyl chloride upon diphenylamine, and the action of oxidising agents upon the product. The substance thus produced is a green dye, ‘viridin’.
3. Chemistry. = viridia n., jervine n.
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the world > matter > chemistry > organic chemistry > alkaloids > [noun] > jervine
jervine1838
viridia1874
viridine1877
1877 H. Watts Fownes's Man. Chem. (ed. 12) II. 610 Parvoline,..Coridine,..Rubidine,..Viridine. (C12H19N.)
1886 A. H. Buck Ref. Handbk. Med. Sci. III. 604/1 The viridine and veratroidine of Bullock are now supposed to have been impure conditions of jervine and rubijervine respectively.
1888 H. C. Wood Treat. Therapeutics (ed. 7) 392 The root-stock of Veratrum viride..contains two alkaloids, jervine and veratroidine... Dr. George B. Wood named them viridine and veratroidine.
This entry has not yet been fully updated (first published 1917; most recently modified version published online December 2020).
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