Find over 25,000 psychological definitions


geocentric theory

the theory, attributed to Alexandrian astronomer, geographer, and mathematician Ptolemy (2nd century ce), that the earth is the center of the universe and that the heavenly bodies move around it. Also called Ptolemaic theory. Compare heliocentric 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

July 27th 2024