evanescent

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ev·a·nes·cent / ˌevəˈnesənt/ • adj. chiefly poetic/lit. soon passing out of sight, memory, or existence; quickly fading or disappearing: a shimmering evanescent bubble. ∎  Physics denoting a field or wave that extends into a region where it cannot propagate and whose amplitude therefore decreases with distance.DERIVATIVES: ev·a·nes·cence n.ev·a·nes·cent·ly adv.

evanescent

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evanescent XVIII. — F. évanescent — prp. of L. ēvānēscere, whence evanesce XIX; see E-, VANISH, -ENT.

evanescent

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evanescent Temporary; soon disappearing.

evanescent

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evanescent Temporary; soon disappearing.