Meaning of TOXIC in English

TOXIC

/ ˈtɒksɪk; NAmE ˈtɑːk-/ adjective

containing poison; poisonous :

toxic chemicals / fumes / gases / substances

to dispose of toxic waste

Many pesticides are highly toxic .

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WORD ORIGIN

mid 17th cent.: from medieval Latin toxicus poisoned, from Latin toxicum poison, from Greek toxikon (pharmakon) (poison for) arrows, from toxon bow.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.