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diphenylhydantoin

[dahy-fen-l-hahy-dan-toh-in, -feen-] /daɪˈfɛn l haɪˈdæn toʊ ɪn, -ˈfin-/
noun, Pharmacology
1.
a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.
Origin
1935-1940
1935-40; diphenyl + hydantoin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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