: an oxide containing one atom of oxygen in a molecule
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So far, the survey has identified more than 70 types of molecules in the galactic center, including both simple molecules, such as silicon monoxide, and more complex organic ones like ethanol and methanol.—Michele Laufik, Martha Stewart, 26 Feb. 2026 Carbon monoxide rebreathing falls into the category known as ‘grey areas’, something the MPCC is increasingly troubled by.—Chris Marshall-Bell, New York Times, 26 Feb. 2026 These ranged from complex organic molecules like methanol and ethanol to simple molecules like silicon monoxide.—Robert Lea, Space.com, 25 Feb. 2026 Carbon monoxide can also be created when people use portable generators or run cars in their garages to stay warm or charge their phones.—Jeremy Tanner, The Hill, 21 Jan. 2026 See All Example Sentences for monoxide