subtracter

English Thesaurus

1. a machine that subtracts numbers (noun.artifact)

hypernym	:	calculating machine, calculator,
definition	:	a small machine that is used for mathematical calculations (noun.artifact)

2. a person who subtracts numbers (noun.person)

hypernym	:	calculator, computer, estimator, figurer, reckoner,
definition	:	an expert at calculation (or at operating calculating machines) (noun.person)