A polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning(noun)
WordNet. Princeton University. 2010.
Use "omega-3" in a sentence
"The confounding push-pull of eating during pregnancy was well illustrated by what happened next: a new round of research emphasizing the importance of nutrients found in seafood, called omega-3 fatty acids, to fetal brain development, and the consequent hazards of eating too little fish during pregnancy."
"We have become deeply familiar with words like antioxidants, polyphenols, saturated fats, omega-3 and calories, but in all this science, we lost our way to the food and our inherent wisdom about what eating means."
"It adds to a body of mixed research on some potential benefits of the popular omega-3 fatty acid known as DHA, or docosahexaenoic acid."