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