1. ptomaine

noun. ['ˈtoʊmeɪn'] any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria.

Rhymes with Ptomaine

• tremayne

2. ptomaine

noun. ['ˈtoʊmeɪn'] a term for food poisoning that is no longer in scientific use; food poisoning was once thought to be caused by ingesting ptomaines.