Medical Dictionary
IQ
noun \ˌī-ˈkyü\
Medical Definition of IQ
: a number used to express the apparent relative intelligence of a person: as a : the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100 b : a score determined by one's performance on a standardized intelligence test relative to the average performance of others of the same age
Origin of IQ
intelligence quotient
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