ten·der·ize [ téndə rz ](past and past participleten·der·ized, present participleten·der·iz·ing, 3rd person present singularten·der·iz·es)
transitive verb
Definition:
make meat less chewy: to make meat tender by beating it, soaking it in a marinade, or sprinkling it with a special substance tenderizer that breaks down its fibers