\ ˌī-ˈkyü 
\
\Definition of IQ
(Entry 1 of 2)
1 : a number used to express the apparent relative intelligence of a person: such as
a : a score determined by one's performance on a standardized intelligence test relative to the average performance of others of the same age
b : the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100
2 : proficiency in or knowledge of a specified subject
nobody questioned his hockey IQ
iq
abbreviationDefinition of iq (Entry 2 of 2)
the same as
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More Definitions for IQ
IQ
nounEnglish Language Learners Definition of IQ
: a number that represents your intelligence and that is based on your score on a special test
See the full definition for IQ in the English Language Learners Dictionary
IQ
noun\ ˌī-ˈkyü \
\Kids Definition of IQ
: a number that represents a person's level of intelligence based on the score of a special test
IQ
noun\ ˌī-ˈkyü \
\Medical Definition of IQ
: a number used to express the apparent relative intelligence of a person based on the results of standardized testing: 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
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Time Traveler for IQ
The first known use of IQ was in 1920
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