Find over 25,000 psychological definitions


circannual rhythm

a biological rhythm of behavior, growth, or some other physiological variable that recurs yearly.

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 22nd 2024

morbid obesity

morbid obesity

the condition of having a body mass index over 39 or weighing 50% to 100% over one’s ideal weight. Morbid obesity is associated with diabetes mellitus, heart disease, joint pain, sleep apnea, and stroke.