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arachidonic acid

[ ar-uh-ki-don-ik, ar- ]

noun

, Biochemistry.
  1. 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.

arachidonic acid

/ ˌærəkəˈdɒnɪk /

noun

  1. 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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Word History and Origins

Origin of arachidonic acid1

First recorded in 1910–15; arachid(ic) + -onic
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Example Sentences

“Red meat contains arachidonic acid that can cause or worsen internal inflammatory reactions,” Lewis explains.

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arachidic acidArachne

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