nitroglycerin

[nahy-truh-glis-er-in]

noun Chemistry, Pharmacology.

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.

Nearby words

  1. nitrogen-fixing,
  2. nitrogenase,
  3. nitrogenize,
  4. nitrogenous,
  5. nitrogenous wastes,
  6. nitroglycerine,
  7. nitrohydrochloric acid,
  8. nitrolic,
  9. nitromannitol,
  10. nitromersol

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. 2019

Examples from the Web for nitroglycerin


Medicine definitions for nitroglycerin

nitroglycerin

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.

Science definitions for nitroglycerin

nitroglycerin

[nī′trō-glĭsər-ĭn]

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.