As verbs the difference between purify and sterilize
is that purify
is to cleanse (something), or rid (it) of impurities while sterilize
is to deprive a male or female the ability to procreate.
To cleanse (something), or rid (it) of impurities
To free (someone) from guilt or sin
* sterilise (UK )
To deprive a male or female the ability to procreate.
To make unable to produce. To make unprofitable.
(biology) To kill, deactivate (denature), or destroy (break apart) all living, viable microorganisms and spores that would be on a surface, in a fluid, or contained in a compound, such as culture media or a medical product.
* birth control