nitric oxide
Share:
Tweet 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. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.