Haematoxylin
/ˌhiːməˈtɒksɪlɪn; ˌhɛm-/
noun
1.
a colourless or yellowish crystalline compound that turns red on exposure to light: obtained from logwood and used in dyes and as a biological stain. Formula: C16H14O6.3H2O
2.
a variant spelling of haematoxylon
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/ˌhiːməˈtɒksɪlɒn/ noun 1. any thorny leguminous tree of the genus Haematoxylon, esp the logwood, of tropical America and SW Africa. The heartwood yields the dye haematoxylin
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/ˌhiːməˈtjʊərɪə; ˌhɛm-/ noun 1. (pathol) the presence of blood or red blood cells in the urine
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