[af-ter-i-fekt, ahf-] 
| 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. |
| af·ter·ef·fect (āf'tər-ĭ-fěkt') n. An effect following its cause after some delay, especially a delayed or prolonged physiological or psychological response to a stimulus. |
tər