transient

nouns

one who stays for only a short time
"transient laborers"
transient
is a type of (narrower)
a person who changes location
traveler, traveller
(physics) a short-lived oscillation in a system caused by a sudden change of voltage or current or load
transient
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
natural philosophy, physics
is a type of (narrower)
(physics) a regular periodic variation in value about a mean
oscillation, vibration

adjectives

of a mental act; causing effects outside the mind
transeunt, transient
lasting a very short time
"the ephemeral joys of childhood"; "a passing fancy"; "youth's transient beauty"; "love is transitory but it is eternal"; "fugacious blossoms"
ephemeral, fugacious, passing, short-lived, transient, transitory
is derived from
transiency
is derived from
transience