The Collaborative International Dictionary of English v.0.48:

IQ \IQ\, IQ \I.Q.\n.
   a measure of a person's intelligence as indicated by an
   intelligence test; the ratio of a person's mental age to
   their chronological age (multiplied by 100).

   Syn: intelligence quotient, IQ.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

IQ
    n 1: a measure of a person's intelligence as indicated by an
         intelligence test; the ratio of a person's mental age to
         their chronological age (multiplied by 100) [syn:
         intelligence quotient, IQ, I.Q.]

The Free On-line Dictionary of Computing (19 January 2023):

IQ

   Pictorial query language, implemented in Ratfor.

   ["Structured Implementation of an Image Query Language",
   Y.E. Lien et al, in Database Techniques for Pictorial
   Applications, A. Blaser ed, pp.416-430].


The Free On-line Dictionary of Computing (19 January 2023):

iq

    The country code for Iraq.

   (1999-01-27)