Definitions for "I.Q"
See Intelligence Quotient.
Intelligence Quotient. A measurement of thinking (cognitive) ability that compares an individual with others in his age group.
these initials refer to the intelligence quotient. The number expresses the ratio between one's chronological age (age measured in years) and mental years (as measured by an intelligence test), times 100. Though regularly used at elementary levels, these scores often aren't stabilized until after puberty.