supermultiplet
/ˈsuːpəˌmʌltɪplɪt/ /ˈsjuːpəˌmʌltɪplɪt/Physics
noun
1A group of transitions in an atomic spectrum between terms of different multiplicity, in which all of the transitions involve the same change in the orbital quantum number l of an electron from the same initial value.
2A multiplet comprising particles of different hypercharge as well as those of different charge.
Origin
1920s. From super- + multiplet.