dimenhydrinate

[dahy-men-hahy-druh-neyt]

di·men·hy·dri·nate

[dahy-men-hahy-druh-neyt]
noun Pharmacology.
a synthetic, crystalline, antihistamine powder, C17H22NO⋅C7H6ClN4O2, used in the treatment of allergic disorders and as a preventive for seasickness and airsickness.

Origin:
1945–50; dime(thyl) + (ami)n(e) + hydr(am)ine + -ate2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Dimenhydrinate has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
Collins
World English Dictionary
dimenhydrinate (ˌdaɪmɛnˈhaɪdrɪˌneɪt)
 
n
a white slightly soluble bitter-tasting crystalline substance: an antihistamine used in the prevention of nausea, esp in travel sickness. Formula: C24H28ClN5O3
 
[from dime(thyl + ami)n(e) + (diphen)hydr(am)in(e) + -ate1]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

dimenhydrinate di·men·hy·dri·nate (dī'měn-hī'drə-nāt')
n.
An antihistamine used to treat motion sickness and allergic disorders.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

dimenhydrinate

antihistamine used to treat nausea, chiefly that which occurs in motion sickness, and also in the symptomatic treatment of vertigo, such as in Meniere syndrome, a disease of the inner ear. Dimenhydrinate, a synthetic drug introduced into medicine in 1949, is administered orally in tablet or syrup form. Its duration of action is about four hours. The most common side effect is drowsiness.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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