Meaning of “sterilize” - Learner’s Dictionary

sterilize

verb [ T ] also UK -ise us uk /ˈsterəlaɪz/
MAKE CLEAN

to make something clean and without bacteria:

a sterilized needle
NO CHILDREN

to perform a medical operation on someone to make them unable to have children

sterilization noun [ U ] us uk /ˌsterəlaɪˈzeɪʃən/

(Definition of “sterilize” from the Cambridge Learner’s Dictionary © Cambridge University Press)