1. a person who subtracts numbers
2. a device or machine that performs subtraction
Usage: technical

Examples

• The student worked as a subtracter, checking all the math problems.
• She was known as the fastest subtracter in her class.
• The electronic subtracter calculated the difference instantly.
• The mechanical subtracter was used in early computing machines.
• As the designated subtracter, he handled all the numerical reductions.
• The digital subtracter processed thousands of calculations per second.