arachidonic acid /əˌrakɪˈdɒnɪk/


I. noun [ mass noun]

[Biochemistry] a polyunsaturated fatty acid present in animal fats. It is important in metabolism, especially in the synthesis of prostaglandins and leukotrienes, and is an essential constituent of the diet.

●Alternative name: eicosa-5,8,11,14-enoic acid; chem. formula: C19H31COOH.
– origin early 20th cent.: arachidonic formed irregularly from arachidic (a saturated fatty acid) from Latin arachis, see arachis oil, + -one + -ic.

Add Comment

By Oxford


Get in touch

Quickly communicate covalent niche markets for maintainable sources. Collaboratively harness resource sucking experiences whereas cost effective meta-services.