Find over 25,000 psychological definitions


closed system

1. an isolated, self-contained system having no contact with the environment, such as the blood vascular system or a space module.

2. by analogy, a social system that is resistant to new information or change. Compare open system.

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

May 10th 2024

sex-chromosomal aberration

sex-chromosomal aberration

any disorder of structure, function, or both that is associated with the complete or partial absence of a sex chromosome or with the presence of extra sex chromosomes. Examples of such disorders are Klinefelter’s syndrome, XYY syndrome, and Turner syndrome.