subtractive
subt·rac·tive
adjective
1.
constituting or involving subtraction
- “a subtractive correction”
Origin
From subtract + -ive.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.