Reductive

1. (Scotland law, now rare) Pertaining to the reduction of a decree etc.; rescissory. [from 16th c.]
2. Causing the physical reduction or diminution of something. [from 17th c.]
3. (chemistry, metallurgy, biology) That reduces a substance etc. to a more simple or basic form. [from 17th c.]
4. (now rare, historical) That can be derived from, or referred back to, something else. [from 17th c.]
5. (now frequently derogatory) That reduces an argument, issue etc. to its most basic terms; simplistic, reductionist. [from 20th c.]

Antonyms

oxidative