Destructive to parasites.
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an·ti·par·a·sit·ic .ant-i-.par-ə-'sit-ik, .an-.tī- adj acting against parasites <\antiparasitic drugs>
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an·ti·par·a·sit·ic (an″te-) (an″ti-par″ə-sitґik) 1. destroying parasites. 2. an agent that destroys parasites.Medical dictionary. 2011.