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intelligence quotient Syllabification: in·tel·li·gence quo·tient
(abbreviation: IQ)

Definition of intelligence quotient in English:


A number representing a person’s reasoning ability (measured using problem-solving tests) as compared to the statistical norm or average for their age, taken as 100.
Example sentences
  • Intelligence tests usually give a score expressed as an intelligence quotient or IQ.
  • The intelligence quotient averaged one hundred and fifty points, the highest among them excelling to over one hundred and eighty, in some few cases.
  • The children were of average intelligence quotient and aged 7-11 years.

Definition of intelligence quotient in:

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