Noun: subtracter sub'trak-tu(r) or ,súb'trak-tu(r)
- A person who subtracts numbers
"The subtracter carefully worked through the complex calculation"
- A machine that subtracts numbers
"The old mechanical calculator had a separate subtracter for performing subtraction"
Derived forms: subtracters
Type of: calculating machine, calculator, computer, estimator, figurer, reckoner