Meanings
nounweak isospin (countable and uncountable, plural weak isospins)
plural weak isospins
- countableuncountablenatural sciencesA quantum number or symmetry related to the weak interaction.
Origin
From weak + isospin, "weak" referring to the weak interaction.
Full word history & related roots →Cite this entry
APA
weak isospin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/weak%20isospin
MLA
“weak isospin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/weak%20isospin. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “weak isospin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/weak%20isospin.
Source: weak isospin on Wiktionary, CC BY-SA 4.0.