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haematein

/ ˌhɛm-; ˌhiːməˈtiːɪn /

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

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

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haemat-haematemesis