[ proh-meth-uh-zeen, -zin ]
/ proʊˈmɛθ əˌzin, -zɪn /
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a phenothiaxine derivative, C17H20N2S, used for the symptomatic relief of allergies and in the management of motion sickness.
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Words nearby promethazine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for promethazine
/ (prəʊˈmɛθəˌziːn) /
an antihistamine drug used to treat allergies and to prevent vomiting, esp in motion sickness
Word Origin for promethazine
C20: from pro (pyl) + (di) meth (ylamine) + (phenothi) azine
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