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nitroglycerin

[nahy-truh-glis-er-in]
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noun Chemistry, Pharmacology.
  1. a colorless, thick, oily, flammable, highly explosive, slightly water-soluble liquid, C3H5N3O9, 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 ni·tro·glyc·er·ine [nahy-truh-glis-er-in, -uh-reen] /ˌnaɪ trəˈglɪs ər ɪn, -əˌrin/.

Origin of nitroglycerin

First recorded in 1855–60; nitro- + glycerin
Also called glonoin, glyceryl trinitrate, trinitroglycerin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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nitroglycerin in Medicine

nitroglycerin

n.
  1. 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.

nitroglycerin in Science

nitroglycerin

[nī′trō-glĭsər-ĭn]
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.