上域

shàngyù
codomain of a function (math.)

CEDICT

math

Entry Composition

1 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above
2 域 yù
  1. field
  2. region
  3. area
  4. domain (taxonomy)