subtracter

/səbˈtræktər/
noun
  1. A person who subtracts, especially in arithmetic.
    • She is a careful subtracter and rarely makes mistakes.
    • The fastest subtracter in the class finished the quiz in two minutes.
    • The calculator is a reliable subtracter for large numbers.
  2. A device or circuit that performs subtraction in a computer or electronic system.
    • This digital subtracter can handle binary numbers efficiently.
    • The engineer designed a new subtracter for the processor.
    • The old computer used a separate subtracter module.
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