noun-modifying (irregular)
evanescent; fleeting; transient
A technical or literary loanword used prenominally to describe something that quickly fades or disappears. Common in physics, optics, and poetic contexts.
エバネッセント波は表面近くにしか存在しない。
Evanescent waves exist only near the surface.
彼女のエバネッセントな微笑みはすぐに消えた。
Her evanescent smile quickly disappeared.