linolenic acid

World English Dictionary
linolenic acid (ˌlɪnəʊˈlɛnɪk, -ˈliː-)
Also called: alpha-linolenic acid a colourless unsaturated essential fatty acid found in drying oils, such as linseed oil, and used in making paints and synthetic resins; 9,12,15-octadecatrienoic acid. Formula: C18H30O2

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
linolenic acid   (lĭn'ə-lěn'ĭk)  Pronunciation Key 
An unsaturated fatty acid that has three double bonds and is a nutrient essential to the formation of prostaglandins in the human body. Linolenic acid belongs to the class of omega-3 fatty acids. It is an important component of natural drying oils (such as linseed oil) and is also found in some fish oils. Chemical formula: C18H30O2.
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