verb (used with object), ster·i·lized, ster·i·liz·ing.

to destroy microorganisms in or on, usually by bringing to a high temperature with steam, dry heat, or boiling liquid.
to destroy the ability of (a person or animal) to reproduce by removing the sex organs or inhibiting their functions.
to make (land) barren or unproductive.
Informal. to delete or remove anything comprising or damaging from: to sterilize a government document before releasing it to the press.
Informal. to isolate or completely protect from unwanted, unauthorized, or unwholesome activities, attitudes, influences, etc.: You can't sterilize children against violence.

Also especially British, ster·i·lise.

Origin of sterilize

First recorded in 1685–95; sterile + -ize
Related formsster·i·liz·a·ble, adjectivester·i·liz·a·bil·i·ty, nounster·i·liz·er, nounpre·ster·i·lize, verb (used with object), pre·ster·i·lized, pre·ster·i·liz··ster·i·lize, verb (used with object), re·ster·i·lized, re·ster·i·liz·ing.self-ster·i·lized, adjectiveun·ster·i·lized, adjective
Can be confusedimpotence sterility sterilized Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for presterilized




(tr) to render sterile; make infertile or barren
Derived Formssterilizable or sterilisable, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for presterilized



"destroy the fertility of," 1690s (in reference to soil), from sterile + -ize; of living things from 1828. Meaning "render free of microorganisms" is from 1878. Related: Sterilized; sterilizing.

Online Etymology Dictionary, © 2010 Douglas Harper

presterilized in Medicine




To make free from live bacteria or other microorganisms.
To deprive a person or animal of the ability to produce offspring, as by removing the reproductive organs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.