“metachromatism”的英文意思_释义_用法

单词

metachromatism

释义

metachromatism|mɛtəˈkrəʊmətɪz(ə)m|
[Formed as prec. + -ism.]
a. Change or variation of colour (see quots.).
1876Ackroyd in Chem. News 25 Aug. 75/1 We venture, therefore, to propose for the phenomenon the name of Metachromatism.1890Syd. Soc. Lex., Metachromatism,..a change or alteration of colour, as in the hair or feathers, from advance of age.
b. Biol. = metachromasia.
1893Jrnl. R. Microsc. Soc. 563 (heading) Metachromatism of parasitic sporozoa and carcinoma cells.1904Brit. Med. Jrnl. 3 Dec. 1507 Under certain conditions of staining, different parts of the cell protoplasm possess different chemical affinities to the dye..(metachromatism).1908[see metachromatically adv.].1917C. E. Marshall Microbiol. (ed. 2) ii. 43 These bodies..are stained violet-red by most of the basic dyes, aniline blue or violet... By reason of this property of metachromatism, they have been called metachromatic granules.

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