Find over 25,000 psychological definitions


bell curve

the characteristic curve obtained by plotting a graph of a normal distribution. With a large rounded central peak tapering off on either side, it resembles a cross-sectional representation of a bell. Also called bell-shaped curve.

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

November 27th 2024

biological warfare

biological warfare

the use of agents such as bacteria, viruses, and toxins to incapacitate or destroy humans, nonhuman animals, or crops in war.