1. (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction
   - reductio ad absurdum

Type of: disproof, falsification, refutation

• non-standard speech
• non-U
• Non-Ugric
• non-volatile storage
• non-water-soluble
• non-white
• non-zero
• nona-
• nonabsorbency
• nonabsorbent
• nonabsorptive
• nonacceptance
• nonaccomplishment
• nonachievement
• nonachiever
• nonacid
• nonadaptive
• nonaddictive
• nonadhesive
• nonadjacent
• nonadsorbent
• nonadsorptive
• nonage
• nonaged
• nonagenarian