单词 | melanization |
释义 | melanizationn. 1. Biology. The production, accumulation, or deposition of melanin; the development of a brown or black colour as a result of this. ΘΚΠ the world > life > biology > physical aspects or shapes > colour or texture > [noun] > development of black pigment melanization1927 the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [noun] > disordered pigmentation melasma1563 orange skin1822 melanopathia1847 xanthosis1853 xanthelasma1867 xanthochroia1867 xanthoderma1867 xanthopathia1867 xanthoma1869 argyria1874 chloasma1877 leucoderma1884 xeroderma pigmentosum1884 hyperchromatosis1886 melanodermia1886 leucodermia1888 hyperchromasia1889 hyperpigmentation1890 hypochromia1890 xanthochromia1894 xanthodermia1900 melanization1927 1927 Q. Rev. Biol. 2 70/1 (heading) The physiology of melanization and of a simple color-pattern. 1945 W. M. Krogman in R. Linton Sci. Man in World Crisis 47 A possible exception may be found in the ‘protective’ melanization or skin coloring of tropic-dwelling peoples. 1954 Sci. News 34 94 The pink and brown colour of insectorubin is completely obscured by the melanization of the outer cuticle. 1984 J. W. Deacon Introd. Mod. Mycol. (ed. 2) iv. 68 Hyaline cells..rapidly undergo melanization (an oxidative process) on exposure to air. 2000 Insect Molecular Biol. 9 39 The refractory strain of Anopheles gambiae kills malaria parasites by a humoral melanization mechanism. 2. Soil Science. The darkening of a topsoil by the incorporation of humus. Cf. melanized adj. 3. ΚΠ 1941 S. A. Wilde Forest Soils iii. 31 The mantle rock or parent soil material may undergo one of the three basic processes of profile development common to forest soils, i.e., incorporation of humus or melanization;..podzolization;..gleization. 1955 Ecology 36 20 (table) Soil characteristics... Degree of melanization. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1927 |
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