Word.ws English Dictionary

Plural of proton

regular plural

The plural of proton is protons.

Forms of proton

Singularproton /ˈpɹəʊ.tɒn/
Pluralprotons
Countablecountable

Protons in a sentence

  • Helium-2 is unbound, as it is energetically favorable for it to split into two separate protons.From the entry unbound
  • A cation is a positive ion as it has more protons than electrons.From the entry positive
  • First, we have assumptions of different kinds of “protomatter,” such as electrons, protons, and neutrons.2012, Uwe Hentschel, Gudmund J.W. Smith, Wolfram Ehlers, The Concept of Defense Mechanisms in Contemporary Psychology, →ISBN. From the entry protomatter
  • Following the synthesis of acetylcholine, acetylcholine generated in neurons is antiported by protons into secretory vesicles using vesicular acetylcholine transporter (VAChT).2015 July 15, Gang Xu et al., “De novo assembly and characterization of central nervous system transcriptome reveals neurotransmitter…. From the entry antiported
  • In heterologous expression systems, TRPV1 can be activated not only by vanilloid compounds, but also by resiniferatoxin, extracellular protons, and arachidonic acid metabolites.2010, “Encyclopedia of Behavioral Neuroscience”, in George Koob, Michael Le Moal, Richard Thompson, editors, Elsevier, Academic Press…. From the entry resiniferatoxin

Meaning of proton

  1. noun A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.
  2. noun The atomic nucleus of protium (hydrogen-1).
  3. noun Synonym of primordium.

Full definition of proton

Questions about the plural of proton

What is the plural of proton?
The plural of proton is protons.
Is proton countable?
Proton is a countable noun.

Source and license

Adapted from Wiktionary: proton (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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