poison

The quality or degree of being toxic.

A toxic substance, specifically a poison produced by the biological processes of organisms. / (usually proscribed) Synonym of toxicant: a toxic substance in a body requiring removal.

(toxicology, pharmacology) Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

Alternative form of toxi-

an insane desire for poisonous or intoxicating substances

(pathology) An acute infection by Staphylococcus bacteria, characterised by sudden high fever, muscle aches, joint pain, vomiting, diarrhea, dizziness, and fainting, abbreviated TSS.

(transitive) To metabolise a drug or other compound to produce a toxic metabolite.

(biochemistry) the metabolism of a drug or other compound to produce a toxic metabolite

(sciences, pharmacology) The branch of pharmacology that deals with the nature, effect, detection and treatment of poisons and poisoning.