正負

正负
zhèngfù
positive and negative

CEDICT

Entry Composition

1 正 zhèng
  1. straight
  2. upright
  3. proper
  4. main
  5. principal
  6. to correct
  7. to rectify
  8. exactly
  9. just (at that time)
  10. right (in that place)
  11. (math.) positive
2 負 fù
  1. to bear
  2. to carry (on one's back)
  3. to turn one's back on
  4. to be defeated
  5. negative (math. etc)