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arachidonic acid

[ar-uh-ki-don-ik, ar-] /ˈær ə kɪˈdɒn ɪk, ˌær-/
noun, Biochemistry.
an essential fatty acid, C 20 H 32 O 2 , found in the lipids of most tissues, that is a precursor in the synthesis of prostaglandins, prostacyclins, and related effectors.
Origin of arachidonic acid
First recorded in 1910-15; arachid(ic) + -onic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for arachidonic acid

arachidonic acid

a fatty acid occurring in animal cells: the metabolic precursor of several groups of biologically active substances, including prostaglandins
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
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arachidonic acid in Medicine

arachidonic acid ar·a·chi·don·ic acid (ār'ə-kĭ-dŏn'ĭk)
An unsaturated fatty acid found in animal fats, that is essential in human nutrition and is a precursor in the biosynthesis of some prostaglandins.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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