Disprove
Pronunciation : Dis*prove"
Part of Speech : v.
Etymology : [Pref. dis- + prove: cf. OF. desprover.]
Definition : 1. To prove to be false or erroneous; to confute; to refute. That false supposition I advanced in order to disprove it. Atterbury.
2. To disallow; to disapprove of. [Obs.] Stirling.
t. [imp. & p. p. Disproved; p. pr. & vb. n. Disproving.]
Source : Webster's Unabridged Dictionary, 1913