TOXIN By N., Pam M.S. - April 29, 2013 noun. a poisonous compound, particularly one generated by a living being. TOXIN: "The toxin has much stronger effects in those with allergies to such." Related Psychology Terms POTENTIATION TOXICITY TOXIC PSYCHOSIS ALLERGEN VIRUS PIPERIDINEDIONES VOMITING PARALDEHYDE PRECURSOR OSPHRESIOLAGNIA Cite this page: N., Pam M.S., "TOXIN," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/toxin/ (accessed September 21, 2019).