nitroglycerin

[nahy-truh-glis-er-in]
noun Chemistry, Pharmacology.
a colorless, thick, oily, flammable, highly explosive, slightly water-soluble liquid, C 3 H 5 N 3 O 9 , prepared from glycerol with nitric and sulfuric acids: used chiefly as a constituent of dynamite and other explosives, in rocket propellants, and in medicine as a vasodilator in the treatment of angina pectoris.
Also, nitroglycerine [nahy-truh-glis-er-in, -uh-reen] .
Also called glonoin, glyceryl trinitrate, trinitroglycerin.


Origin:
1855–60; nitro- + glycerin

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World English Dictionary
nitroglycerine or nitroglycerin (ˌnaɪtrəʊˈɡlɪsəˌriːn, -ˈɡlɪsərɪn)
 
n
Also called: trinitroglycerine a pale yellow viscous explosive liquid substance made from glycerol and nitric and sulphuric acids and used in explosives, and in medicine as a vasodilator. Formula: CH2NO3CHNO3CH2NO3
 
nitroglycerin or nitroglycerin
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nitroglycerin ni·tro·glyc·er·in or ni·tro·glyc·er·ine (nī'trō-glĭs'ər-ĭn, -trə-)
n.
A thick, pale yellow liquid that is explosive on concussion or exposure to sudden heat, used as a vasodilator in medicine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
nitroglycerin   (nī'trō-glĭs'ər-ĭn)  Pronunciation Key 
A thick, pale-yellow, explosive liquid formed by treating glycerin with nitric and sulfuric acids. It is used to make dynamite and in medicine to dilate blood vessels. Chemical formula: C3H5N3O9.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
It was a clock bomb, rather crudely made but fueled by ten gallons of nitroglycerin.
Nitroglycerin is a medicine that helps relax the blood vessels leading to the heart.
Nitroglycerin decreases blood pressure and opens the blood vessels around the heart, increasing blood flow.
The pain usually occurs with activity or emotion, and goes away with rest or a medicine called nitroglycerin.
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