差分

chāfēn
  1. (math.) increment
  2. difference
  3. (engineering) differential

CEDICT

math

Entry Composition

1 差 chā
  1. difference; discrepancy
  2. (math.) difference (amount remaining after a subtraction)
  3. (literary) a little; somewhat; slightly
2 分 fēn
  1. to divide; to separate
  2. to distribute; to allocate
  3. to distinguish (good and bad)
  4. (bound form) branch of (an organization); sub- (as in 分局 fēnjú)
  5. fraction
  6. one tenth (of certain units)
  7. unit of length equivalent to 0.33 cm
  8. minute (unit of time)
  9. minute (angular measurement unit)
  10. a point (in sports or games)
  11. 0.01 yuan (unit of money)