虛部

虚部
xūbù
  1. (mathematics) imaginary part (of a complex number)
  2. imaginary part (of a complex number)

Wiktionary

Entry Composition

1 虛 xū
  1. emptiness
  2. void
  3. abstract theory or guiding principles
  4. empty or unoccupied
  5. diffident or timid
  6. false
  7. humble or modest
  8. (of health) weak
  9. virtual
  10. in vain
2 部 bù
  1. ministry
  2. department
  3. section
  4. part
  5. division
  6. troops
  7. board
  8. classifier for works of literature, films, machines etc