Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: , past participle of subtrahere 'to pull from beneath, remove', from trahere 'to pull'

subtract

 verb
     
Related topics: Maths, Numbers
sub‧tract [transitive]
HM to take a number or an amount from a larger number or amount [↪ add, deduct, minus]
subtract something from something
If you subtract 30 from 45, you get 15.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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