Word.ws English Dictionary

Plural of atom

regular plural

The plural of atom is atoms.

Forms of atom

Singularatom /ˈætəm/
Pluralatoms /ˈatəmz/
Countablecountable

Atoms in a sentence

  • The critical component of the photosynthetic system is the water-oxidizing complex, made up of manganese atoms and a calcium atom.2013 September–October, Katie L. Burke, “In the news: Photosynthesis precursor”, in American Scientist, archived from the original on 13...
  • The physical chemist lased the atoms as they passed between the electrodes to study their motion.From the entry lase
  • A water molecule is made up of two hydrogen atoms plus one of oxygen.From the entry plus
  • By applying electric potential to the neon atoms, the electrons become excited, then emit a photon when returning to normal.From the entry excite
  • A homopolar bond involves equal sharing of electrons between atoms.From the entry homopolar

Meaning of atom

  1. noun The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
  2. noun A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
  3. noun The smallest, indivisible constituent part or unit of something.

Full definition of atom

Questions about the plural of atom

What is the plural of atom?
The plural of atom is atoms.
Is atom countable?
Atom is a countable noun.

Source and license

Adapted from Wiktionary: atom (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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