微分

wēifēn
  1. (math.) differential (of a function)
  2. differential (equation etc)
  3. to differentiate
  4. differentiation

CEDICT

math

Entry Composition

1 微 wēi
  1. tiny
  2. miniature
  3. slightly
  4. profound
  5. abtruse
  6. to decline
  7. one millionth part of
  8. micro-
  9. Taiwan pr. wéi
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)