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Definition of neutron

neutron

/ˈnuːtrɑːn/
neu · tron
Plural:neutrons
•
Adjective:neutronic
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neutron Lexical Profile

neutron Game Scores & Validity

• noun

1

A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Example

"Isotopes of a chemical element have the same number of protons in their atomic nuclei but differ in their number of neutrons."

• Rhymes for neutron

• Nearby Words

neutralize
neutralizer
neutrally
neutron
neutropenic
neva
nevada

Word Origin & Etymology

Coined in 1921 by the American chemist William D. Harkins and later popularized by James Chadwick after his 1932 discovery of the particle, formed from the stem of 'neutral' (from Latin 'neuter', meaning 'neither') and the suffix '-on' (modeled on 'electron' and 'proton').

Cite this Entry

Wordmom. (2026). Definition of Neutron. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/neutron
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