Find over 25,000 psychological definitions


deaf-mute

n. an obsolescent and pejorative name for an individual who cannot speak, or chooses not to speak, because of congenital or early-acquired profound deafness.

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

May 8th 2024

peptide

peptide

n. a short chain of amino acids linked by peptide bonds. Peptides are usually identified by the number of amino acids in the chain. For example, dipeptides have two amino acids, tripeptides three, tetrapeptides four, and so on. See also polypeptide; protein.