preimage

(redirected from Image (mathematics))
Also found in: Encyclopedia, Wikipedia.

pre·im·age

 (prē′ĭm′ĭj)
n. Mathematics
The set of arguments of a function corresponding to a particular subset of the range.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.