Définitions
1.AdjectivePertaining to the reduction of a decree etc.; rescissory. .mw-parser-output .defdate{font-size:smaller}
2.AdjectiveCausing the physical reduction or diminution of something.
3.AdjectiveThat reduces a substance etc. to a more simple or basic form.
4.AdjectiveThat can be derived from, or referred back to, something else.
5.AdjectiveThat reduces an argument, issue etc. to its most basic terms; simplistic, reductionist.