1. a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100); [syn: intelligence quotient, IQ, I.Q.]
WordNet (r) 3.0 (2006):
intelligence quotient
n 1: a measure of a person's intelligence as indicated by an
intelligence test; the ratio of a person's mental age to
their chronological age (multiplied by 100) [syn:
intelligence quotient, IQ, I.Q.]