iq -abbr

  1. the same as

IQ [,ī-'kyü] -n

  1. : a number used to express the apparent relative intelligence of a person: as
  2. the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100
  3. a score determined by one's performance on a standardized intelligence test relative to the average performance of others of the same age
  4. proficiency in or knowledge of a specified subject
    • nobody questioned his hockey IQ