Find over 25,000 psychological definitions


role set

the group of people (and their associated roles) who are related to and interact meaningfully with the occupant of a particular role, communicating the attitudes and behaviors appropriate to that role. See role expectations. [defined in 1957 by U.S. sociologist Robert King Merton (1910–2003)]

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

October 18th 2024

phentolamine

phentolamine

n. an alpha-adrenergic blocking agent with direct action on heart and smooth muscle. It is a potent vasodilator used in the management of severe hypertension associated with catecholamine excess, as in patients with pheochromocytomas. It is in infrequent clinical use. U.S. trade name: Regitine.