hæmatin, hematin Chem.
(ˈhiːmətɪn, ˈhɛm-)
[mod. f. Gr. αἱµατ- blood + -in.]
1. The earlier name of hæmatoxylin.
| 1819 J. G. Children Chem. Anal. 287 Hematin is the colouring matter of logwood. 1830 Lindley Nat. Syst. Bot. 92 A peculiar principle, called Hæmatin. |
2. A bluish-black amorphous substance with metallic lustre, obtained from red blood-corpuscles, in which it exists as a constituent of hæmoglobin.
| 1845 G. E. Day tr. Simon's Anim. Chem. I. 5 Protein, and its various modifications—gelatin, bilin, and the products of its metamorphosis—hæmatin, urea, uric acid, &c. 1881 Watts Dict. Chem. VIII. 920 Hæmoglobin is resolved by the action of iodine into hæmatin and globulin. |
Hence hæmaˈtinic a., of or relating to hæmatin (sense 2); n., a medicine which increases the amount of hæmatin in the blood. ˌhæmatiˈnometer, an instrument for measuring the amount of hæmatin in the blood; so ˌhæmatinoˈmetric a., relating to such measurement. ‖ ˌhæmatiˈnuria: see quot. 1886 (now called hæmoglobinuria).
| 1855 A. B. Garrod Mat. Med. (ed. 6) 83 All the preparations of iron appear to act as blood restorers or hæmatinics. 1876 Bartholow Mat. Med. (1879) 117 Iron is synergistic as regards haematinic effects. 1885 Stirling tr. Landois' Hum. Physiol. I. 25 In the vessel with parallel sides, or hæmatinometer. 1879 J. R. Reynolds Syst. Med. V. 468 The existence of hæmatinuria indicates an excessive decomposition of blood corpuscles. 1886 Syd. Soc. Lex., Hæmatinuria, the passing of urine containing the colouring matter of the blood without the corpuscles. |