aftereffect

[ af-ter-i-fekt, ahf- ]

noun

1. a delayed effect; an effect that follows at some interval after the stimulus that produces it.
2. Medicine/Medical. a result appearing after the first effect due to an agent, usually a drug, has gone.

aftereffect

/ ˈɑːftərɪˌfɛkt /

noun

1. any result occurring some time after its cause
2. med any delayed response to a stimulus or agent Compare side effect
3. psychol any illusory sensation caused by a stimulus that has ceased

Word History and Origins

Origin of aftereffect¹

First recorded in 1810–20; after + effect