Definition of
I.q.
- (noun, linkdef) 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)
via WordNet, Princeton University
Synonyms of I.q.
Origin of the word I.q.
- 1922, abbreviation of intelligence quotient, a 1921 translation of Ger. Intelligenz-quotient, coined 1912 by W.L. Stern. more
via Online Etymology Dictionary, ©2001 Douglas Harper