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|Noun||1.||ptomain - any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria|
amine, aminoalkane - a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
putrescine - a colorless crystalline ptomaine with a foul odor that is produced in decaying animal matter
cadaverine - a colorless toxic ptomaine with an unpleasant odor formed during the putrefaction of animal tissue