Find over 25,000 psychological definitions


lock-and-key theory

1. generally, any theory that posits a specific fit between two or more of its components, in a manner analogous to the fit of a key in a lock.

2. in olfaction, see stereochemical smell theory.

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

January 3rd 2025

prenatal care

prenatal care

health care and educational services provided to or obtained by a woman during pregnancy. Such services are intended to prevent complications and decrease the risk of maternal or fetal mortality.