intelligence quotient

intelligence quotient definition - medical

intelligence quotient

noun Abbr. IQ
An index of measured intelligence expressed as the ratio of tested mental age to chronological age, multiplied by 100.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.