TTCa liquid that is put in the water in car engines to stop it from freezing 〔用于汽车发动机的〕防冻剂，抗凝剂
Examples from the Corpus
antifreeze• Having lost their antifreeze after nine days in the cozy cabin, they were no longer protected.• Their antifreeze was already gone, and they now had a pleasant nutty flavor that I thought I could get to like.• A glycol ether of the same chemical group from which antifreeze is derived.