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A reddish-brown crystalline compound, C16H12O6, used as an indicator and a biological stain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
he•ma•te•in(ˌhi məˈti ɪn)
a reddish brown, crystalline solid, C16H12O6, obtained from logwood: used chiefly as a stain in microscopy.
[1930–35; variant of hematin]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.