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erythrogen|ɛˈrɪθrəʊdʒɛn|
[mod. f. Gr. ἐρυθρο- erythro- + -gen2 ‘producer’.]
1. Bot. ‘A term for a variety of the supposed colouring matter of vegetables, called Chromogen, because it produces a red colour with acids’. (Syd. Soc. Lex.)
2. Chem. ‘A crystalline, fatty substance obtained from diseased bile; so called from the reddish or purple color of some of its compounds’ (Watts Dict. Chem. 1882).
1846Worcester cites Penny Cyclop.; and in mod. Dicts.
Hence eˌrythroˈgenic a., (a) producing a sensation of redness; (b) pertaining to the production of erythrocytes; (c) causing redness of the skin.
1902C. L. Franklin in Baldwin Dict. Philos. II. 780/2 Colour should be used in its subjective sense,..and erythrogenic radiations should be substituted for the physical cause of colour. 1951Whitby & Hynes Med. Bacteriol. (ed. 5) xi. 158 Only streptococci of Lancefield's Group A produce the erythrogenic toxin. 1951[see erythropoiesis]. |