autacoid

noun au·ta·coid \ˈȯ-tə-ˌkȯid\

Definition of AUTACOID

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

aut- + Greek akos remedy; probably akin to Old Irish ícc cure

First Known Use: 1914

Medical Dictionary

noun au·ta·coid \ˈȯt-ə-ˌkȯid\

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

Next Word in the Dictionary: autallotriomorphicPrevious Word in the Dictionary: aut-All Words Near: autacoid

What made you want to look up autacoid? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

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