from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who, or that which, subtracts.

from the GNU version of the Collaborative International Dictionary of English

  • n. One who subtracts.
  • n. The subtrahend.

from The Century Dictionary and Cyclopedia

  • n. One who subtracts.
  • n. A subtrahend.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a person who subtracts numbers
  • n. a machine that subtracts numbers


subtract +‎ -er (Wiktionary)


  • Using an adder and subtracter, its performance speed at 260K operations per second was comparable to medium-size machines of that period.



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