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isoamyl nitrite

noun, Pharmacology

amyl nitrite

noun, Pharmacology
1.
a yellowish, fragrant, flammable liquid, C 5 H 11 NO 2 , used in medicine chiefly as a vasodilator, especially in the treatment of angina pectoris: misused by inhalation as a stimulant, especially of sexual sensation.
Also called isoamyl nitrite.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for isoamyl-nitrite

amyl nitrite

noun
1.
a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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isoamyl-nitrite in Medicine

amyl nitrite n.
A volatile yellow liquid used as a vasodilator and as an antidote in cyanide poisoning.

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 Article for isoamyl-nitrite

amyl nitrite

drug once commonly used in the treatment of angina pectoris, a condition characterized by chest pain precipitated by oxygen deficiency in the heart muscle. Amyl nitrite is one of the oldest vasodilators (i.e., agents that expand blood vessels). The drug is useful in treating cyanide poisoning. Amyl nitrite, a clear, pale yellow liquid with a penetrating odour, is administered by inhalation and is very rapidly absorbed from the lungs. Its action is nonspecific; i.e., it affects all smooth muscles, causing them to relax. Side effects include headache, increased heart rate (tachycardia), and low blood pressure (hypotension).

Learn more about amyl nitrite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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