Word.ws English Dictionary

Plural of oxygen

regular plural

The plural of oxygen is oxygens.

Forms of oxygen

Singularoxygen /ˈɒksɪd͡ʒən/
Pluraloxygens
Countablecountable and uncountable

Oxygens in a sentence

  • Look first at any structure to see if there is a carbon with two oxygens attached.2013, Spencer L. Seager, Michael R. Slabaugh, Chemistry for Today: General, Organic, and Biochemistry, page 479
  • The protruding basal oxygens are themselves displaced slightly in the x-direction so that the shift required is either 0.4 + δÅ (overshift) or 0.4 -δ Å (undershift).1983, Leslie Michaels, Seymour S. Chissick, R. Derricott, Asbestos, properties, applications, and hazards, →ISBN, page 114. From the entry overshift

Meaning of oxygen

  1. noun The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecular oxygen.
  2. noun Molecular oxygen (O₂), a colorless, odorless gas at room temperature.
  3. noun A mixture of oxygen and other gases, administered to a patient to help them breathe.

Full definition of oxygen

Questions about the plural of oxygen

What is the plural of oxygen?
The plural of oxygen is oxygens.
Is oxygen countable?
Oxygen is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: oxygen (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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