v. Obs.1 [UN-2 6 c.] trans. To render ineffective.
1611. Speed, Hist. Gt. Brit., IX. xxiv. § 125. Neither continuance of time, nor subtilty of ayre could checke or vn-vertuate the strength [of the poison].
v. Obs.1 [UN-2 6 c.] trans. To render ineffective.
1611. Speed, Hist. Gt. Brit., IX. xxiv. § 125. Neither continuance of time, nor subtilty of ayre could checke or vn-vertuate the strength [of the poison].