v. i.
I believe him to have evanesced or evaporated. De Quincey. [ 1913 Webster ]
n. The act or state of vanishing away; disappearance;
a. [ L. evanescens, -entis, p. pr. of evanescere. ]
So evanescent are the fashions of the world in these particulars. Hawthorne. [ 1913 Webster ]
The difference between right and wrong, in some petty cases, is almost evanescent. Wollaston. [ 1913 Webster ]
adv. In a vanishing manner; imperceptibly. Chalmers. [ 1913 Webster ]