nitric oxide
n. A colorless, poisonous gas, NO, produced by the partial oxidation of atmospheric nitrogen, by cellular metabolism, and as an intermediate during the manufacture of nitric acid from ammonia. In the body, nitric oxide is involved in oxygen transport to the tissues, the transmission of nerve impulses, and other physiological activities.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
nitric oxide
n (Elements & Compounds) a colourless slightly soluble gas forming red fumes of nitrogen dioxide in air. Formula: NO. Systematic name: nitrogen monoxide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ni′tric ox′ide
n. a colorless, slightly water-soluble gas, NO, an intermediate in the manufacture of nitric acid.
[1800–10]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun | 1. | nitric oxide - a poisonous red-brown gas (NO)gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
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