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haematein

/ ˌhiːməˈtiːɪn; ˌhɛm- /

noun

  1. a dark purple water-insoluble crystalline substance obtained from logwood and used as an indicator and biological stain. Formula: C 16 H 12 O 6


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Example Sentences

By the action of hydrogen and sulphurous acid, haematein is easily reduced to haematoxylin.

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inveterate

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haemat-haematemesis