[ aw-tuh-koid ]
/ ˈɔ təˌkɔɪd /
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any physiologically active internal secretion, especially one of uncertain classification, as histamine or prostaglandin.
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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
OTHER WORDS FROM autacoidau·ta·coi·dal, adjective
Words nearby autacoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for autacoid
/ (ˈɔːtəˌkɔɪd) /
physiol any natural internal secretion, esp one that exerts an effect similar to a drug
Word Origin for autacoid
C20: from auto- + Greek akos cure + -oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for autacoid
An organic substance, such as a hormone, produced in one part of an organism and transported by the blood or lymph to another part of the organism where it exerts a physiologic effect on that part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.