docosahexaenoic aciddo·co·sa·hex·a·e·no·ic acid
An omega-3 fatty acid, C22H32O2, found in cold-water fish and in certain algae.
Origin of docosahexaenoic aciddocosa- twenty-two, from its twenty-two carbon atoms ( do- ) ( from Greek dō- two ) ( as in dōdeka twelve ; see dodecagon . ) (Greek eikosi twenty ; see wīk&mlowring;tī- in Indo-European roots.) -hexaene having six double bonds ( hexa- ) ( -ene ) -oic