transient
adj 1: (philosophy) of a mental act; causing effects outside the
mind [syn: {transeunt}] [ant: {immanent}]
2: enduring a very short time; "the ephemeral joys of
childhood"; "a passing fancy"; "youth's transient beauty";
"love is transitory but at is eternal"; "fugacious
blossoms" [syn: {ephemeral}, {passing}, {short-lived}, {transitory},
{fugacious}]
n 1: one who stays for only a short time; "transient laborers"
2: (physics) a short-lived oscillation in a system caused by a
sudden change of voltage or current or load