nitric oxide
noun
: a colorless poisonous gas NO formed by oxidation of nitrogen or ammonia that is present in the atmosphere and also in mammals where it is synthesized from arginine and oxygen and acts as a vasodilator and as a mediator of cell-to-cell communication (as between nerve cells)
compare nitrous oxide
Examples of nitric oxide in a Sentence
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Beets contain nitrates, which are compounds that your body converts into nitric oxide. —
Jillian Kubala, Health, 20 Apr. 2026 In fact, the two are biologically linked, with overlapping pathologies in endothelial function, and signaling in testosterone and nitric oxide. —Denise Asafu-Adjei, STAT, 13 Apr. 2026 Cocoa flavanols, especially a type called epicatechin, help the inner lining of blood vessels produce more nitric oxide. —Morgan Pearson, Verywell Health, 8 Apr. 2026 Nasal breathing produces nitric oxide, which improves oxygen absorption and dilates blood vessels. —Allison Palmer, Charlotte Observer, 26 Mar. 2026 See All Example Sentences for nitric oxide
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Jillian Kubala, Health, 20 Apr. 2026 In fact, the two are biologically linked, with overlapping pathologies in endothelial function, and signaling in testosterone and nitric oxide. —Denise Asafu-Adjei, STAT, 13 Apr. 2026 Cocoa flavanols, especially a type called epicatechin, help the inner lining of blood vessels produce more nitric oxide. —Morgan Pearson, Verywell Health, 8 Apr. 2026 Nasal breathing produces nitric oxide, which improves oxygen absorption and dilates blood vessels. —Allison Palmer, Charlotte Observer, 26 Mar. 2026 See All Example Sentences for nitric oxide
Cite this Entry
“Nitric oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/nitric%20oxide. Accessed 24 Apr. 2026.
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