Isotone definition

īsə-tōn
One of two or more atoms whose nuclei have the same number of neutrons but different numbers of protons.
noun
2
0
Any atom with the same number of neutrons as another atom but a different atomic number.
noun
1
0
(physics) Either of a number of nuclides of different elements that have the same number of neutrons.
noun
0
1
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Other Word Forms

Noun

Singular:
isotone
Plural:
isotones

Origin of isotone

  • Alteration of isotope (with n for neutron replacing p as though for proton)

    From American Heritage Dictionary of the English Language, 5th Edition

  • Reinterpretation of the p in isotope to stand for proton, leading to a replacement of the letter n for neutron.

    From Wiktionary