Word.ws English Dictionary

oxo

oxo noun: a substituent oxygen atom connected to another atom by a double bond.

Noun

oxo (uncountable)

  1. (in-compounds) A substituent oxygen atom connected to another atom by a double bond.
  2. The game of noughts and crosses.

Phrases with oxo

Questions about oxo

What does oxo mean?
Oxo means a substituent oxygen atom connected to another atom by a double bond.
What part of speech is oxo?
Oxo is a noun.

Words near oxo in the dictionary

  1. OXM
  2. oxmetidine
  3. Oxnard
  4. Oxner
  5. Oxners
  6. oxo
  7. Oxo cube
  8. Oxo cubes
  9. oxo-
  10. oxo-magnesio-hastingsite
  11. oxo-magnesiohastingsite

Source and license

Adapted from Wiktionary: oxo (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-oxo.wav.

Cite this entry: “oxo.” Word.ws, https://word.ws/oxo. Based on Wiktionary, CC BY-SA 4.0.