Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: toxicosis
Next word: toxisterol
Definition of: toxin
(tok′sin) noun
1. Any of a class of more or less unstable poisonous compounds elaborated by animal, vegetable, or bacterial organisms and acting as causative agents in many diseases, usually after an incubation period.
2. Any toxic matter generated in living or dead organisms. Also tox·ine (tok′sēn). [<TOX(IC) + -IN]
Comment about this word, ask questions, or add new information about this topic: