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Definition of: toxic
(tok′sik) adjective
1. Pertaining to poison; poisonous.
2. Due to or caused by poison or a toxin. Also tox′i·cal. [<Med. L toxicus poisoned, poisonous <L toxicum a poison, orig. a poison for arrows <Gk. toxicon (pharmakon) (a poison) for arrows <toxa arrows <toxon a bow]
—tox′i·cal·ly adverb
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