DISPROOF
falsification, falsifying, disproof, refutation, refutal
(noun) the act of determining that something is false
disproof, falsification, refutation
(noun) any evidence that helps to establish the falsity of something
Source: WordNet® 3.1
Etymology
Noun
disproof (plural disproofs)
A refutation.
Synonyms
• refutation
• confutation
Source: Wiktionary
Dis*proof", n. Etym: [Pref. dis- + proof. Cf. Disprove.]
Definition: A proving to be false or erroneous; confutation; refutation;
as, to offer evidence in disproof of a statement.
I need not offer anything farther in support of one, or in disproof
of the other. Rogers.
Source: Webster’s Unabridged Dictionary 1913 Edition