isospin

I1S1O1S1P3I1N1

noun

A quantum number or symmetry related to the strong interaction and hence to differences between atoms with the same number of nucleons.

Similar
isotopic spinisobaric spin
UncommonScrabble 9
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Meanings

nounisospin (countable and uncountable, plural isospins)

plural isospins

  1. countableuncountablenatural sciencesA quantum number or symmetry related to the strong interaction and hence to differences between atoms with the same number of nucleons.

    Synonyms: isotopic spin, isobaric spin

Synonyms & antonyms

nounA quantum number or symmetry related to the strong interaction and hence to differences between atoms with the same number of nucleons.

Similar
isotopic spinisobaric spin
Also see
isobaric spinisotopic spin

Origin

Blend of isotopic + spin.

Full word history & related roots →

Rhymes & wordplay

Anagrams

sinopis
Cite this entry
APA

isospin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/isospin

MLA

“isospin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/isospin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “isospin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/isospin.

Source: isospin on Wiktionary, CC BY-SA 4.0.