pas·teur·ize [ páschə rz, pástə rz ](past and past participlepas·teur·ized, present participlepas·teur·iz·ing, 3rd person present singularpas·teur·iz·es)
transitive verb
Definition:
heat-treat something for partial sterilization: to make a food product, especially milk, safer to drink or eat and improve its keeping qualities by heating it in order to destroy harmful bacteria