Medical Dictionary


noun au·ta·coid \ˈt-ə-ˌkid\

Medical Definition of AUTACOID

:  a physiologically active substance (as a serotonin, bradykinin, or angiotensin) produced by and acting within the body


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears