Find over 25,000 psychological definitions



1. a voiced speech sound that is produced when the breath stream vibrating the vocal cords has unobstructed passage through the vocal tract.

2. one of the letters of the alphabet used to represent these sounds in writing. Compare consonant.

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

June 19th 2024



n. in infants, lack of psychomotor response or failure to gain weight or produce purposeful behavior, often thought to be a response to separation from mothers and subsequent institutionalization. See also reactive attachment disorder.