Find over 25,000 psychological definitions


sympathectomy

n. a surgical procedure in which portions of the sympathetic nervous system are excised, severed, or otherwise disrupted. In chemical sympathectomy, this is accomplished by the administration of specific drugs.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

February 17th 2025

speculation

speculation

n.

1. conjectural thinking that is not necessarily supported by scientifically determined evidence.

2. a loosely supported theory or explanation. —speculative adj.