Definition of isospin in English:

isospin

Line breaks: iso|spin
Pronunciation: /ˈʌɪsə(ʊ)spɪn
 
/

noun

[mass noun] Physics
A vector quantity or quantum number assigned to subatomic particles and atomic nuclei and having values such that similar particles differing only in charge-related properties (independent of the strong interaction between particles) can be treated as different states of a single particle.
More example sentences
  • In short, they are similar to electric charge, isospin, and all the other internal quantum numbers of elementary particles.
  • This symmetry is related to the concept of isospin, and is not the same as charge conjugation.

Origin

1960s: contraction of isotopic spin, isobaric spin.

Definition of isospin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day glee
Pronunciation: gliː
noun
great delight, especially from one's own good fortune…