Monoxide

//məˈnɒksʌɪd// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any oxide containing a single oxygen atom in each molecule or formula unit.

    "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_(20–24)O_(2–60)."

  2. 2
    an oxide containing just one atom of oxygen in the molecule wordnet

Synonyms

All synonyms
alcoholchemical

Example

More examples

"Carbon monoxide is a poisonous substance formed by the incomplete combustion of carbon compounds."

Etymology

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

Related phrases

arsenic monoxidearsenic monoxide monochloridebromine monoxidecarbon monoxidedichlorine monoxidedihydrogen monoxidedinitrogen monoxidediprotium monoxidehydrogen monoxidelead monoxidenitrogen monoxidesilicon monoxide

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.