(n) a term for food poisoning that is no longer in scientific use; food poisoning was once thought to be caused by ingesting ptomaines, Syn.ptomaine poisoning
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ From Gr. &unr_; a dead body. ] (Physiol. Chem.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines. [ 1913 Webster ]
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