monoxide

Formed as mon- +‎ oxide; compare the earlier dioxide, pentoxide, and tetroxide.

• IPA^(key): /məˈnɒksʌɪd/

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monoxide (plural monoxides)

1. (chemistry) Any oxide containing a single oxygen atom in each molecule or formula unit.
   • 1959, The Canadian Patent Office Record and Register of Copyrights‎^[1], volume 87, page 6658:

     A process for preparing normally solid high molecular weight, hydrocarbon polymers which comprises heating and reacting carbon monoxide with hydrogen at a temperature of 125 ° to 350 °C, under a pressure of at least 30 atmospheres and in contact with a phosphomolybdic compound represented by the formula P₂Mo_20–24O_2–60.

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monoxide n (plural monoxiden or monoxides)

1. (chemistry) monoxide