n. [ LL. alidada, alhidada, fr. Ar. al-'idāda a sort of rule: cf. F. alidade. ] The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument Whewell. [ 1913 Webster ]
prop. n. A natural family of insects including the dobsonflies.
‖n. pl. [ NL. ] (Zoöl.) A tribe of
v. t.
adj. deprived of legal force.
adj. tending to invalidate or prove false.
n. The act of inavlidating, or the state of being invalidated. [ 1913 Webster ]
So many invalidations of their right. Burke. [ 1913 Webster ]
prop. n. A natural family of large beautifully colored butterflies, called also the
v. t. [ See Valid. ] To confirm; to render valid; to give legal force to. [ 1913 Webster ]
The chamber of deputies . . . refusing to validate at once the election of an official candidate. London Spectator. [ 1913 Webster ]
n. [ Cf. F. validation. ] The act of giving validity. [ R. ] Knowles. [ 1913 Webster ]