promethazine

[proh-meth-uh-zeen, -zin]

pro·meth·a·zine

[proh-meth-uh-zeen, -zin]
noun Pharmacology.
a phenothiaxine derivative, C17H20N2S, used for the symptomatic relief of allergies and in the management of motion sickness.

Origin:
1950–55; propyl + (di)meth(ylamine) + (phenothi)azine, components of its chemical name
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Promethazine is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a scrap or morsel of food left at a meal.
Collins
World English Dictionary
promethazine (prəʊˈmɛθəˌziːn)
 
n
an antihistamine drug used to treat allergies and to prevent vomiting, esp in motion sickness
 
[C20: from pro(pyl) + (di)meth(ylamine) + (phenothi)azine]

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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Encyclopedia Britannica
Encyclopedia

promethazine

synthetic drug used to counteract the histamine reaction, as in allergies. Promethazine, introduced into medicine in the 1940s, is used in the form of its hydrochloride. It is administered orally in tablets and syrups and intramuscularly in an aqueous solution. Promethazine is effective in controlling the symptoms of hay fever, acute skin reactions (such as hives), and contact dermatitis (as from poison ivy). It also is used to control the nausea that occurs in motion sickness. The most common side effect of promethazine is drowsiness.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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