endotoxin
en·do·tox·in
noun \ˌen-dō-ˈtäk-sən\Definition of ENDOTOXIN
: a toxin of internal origin; specifically : a poisonous substance present in bacteria (as the causative agent of typhoid fever) but separable from the cell body only on its disintegration—compare exotoxin
—en·do·tox·ic \-sik\ adjective
