Definition:(noun) (physics) a short-lived oscillation in a system caused by a sudden change of voltage or current or load(noun) one who stays for only a short time; "####### laborers" (adjective) of a mental act; causing effects outside the mind (adjective satellite) enduring a very short time; "the ephemeral joys of childhood"; "a passing fancy"; "youth's ####### beauty"; "love is transitory but at is eternal"; "fugacious blossoms"
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