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hydantoin

[hahy-dan-toh-in]
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noun Pharmacology.
  1. a colorless, needlelike, crystalline compound, C3H4N2O2, used in the synthesis of pharmaceutical substances and resins.
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Origin of hydantoin

First recorded in 1865–70; hyd(rogen) + (all)antoin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hydantoin

hydantoin

noun
  1. a colourless odourless crystalline compound present in beet molasses: used in the manufacture of pharmaceuticals and synthetic resins. Formula: C 3 H 4 N 2 O 2
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Word Origin

C20: from hyd (rogen + all) antoin product occurring in allantoic fluid
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
hydantoin in Medicine

hydantoin

(hī-dăn′tō-ĭn)
n.
  1. A crystalline substance derived from urea or allantoin.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.