Definition of hypercharge in US English:

hypercharge

noun

Particle Physics
  • A quantum number which is conserved in strong interactions and that is the same for all the particles of a multiplet, being equal to twice their average charge quantum number; symbol Y.

Origin

1950s. From hyper- + charge, after hyperonic.

Pronunciation

hypercharge

/ˈhʌɪpətʃɑːdʒ/