误差

誤差
wùchā
  1. difference
  2. error
  3. inaccuracy

CEDICT

Entry Composition

1 误 wù
  1. mistake
  2. error
  3. to miss
  4. to harm
  5. to delay
  6. to neglect
  7. mistakenly
2 差 chā
  1. difference; discrepancy
  2. (math.) difference (amount remaining after a subtraction)
  3. (literary) a little; somewhat; slightly