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omega-3 fatty acid



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omega-3 fatty acid (plural omega-3 fatty acids)

  1. (chemistry) Any polyunsaturated fatty acid having a double bond between the third and fourth carbon atoms from the end of the molecule farthest from the carboxylic acid; they are found in green vegetables and in the oils of fish such as salmon and mackerel; they are essential fatty acids, and seem to be beneficial in reducing the risk of heart disease.
    • 2010, Anthony Marcelus, "Fix Your Fare", Reps! 17:73
      Both types of fish are available in cans, but unlike tuna, salmon is loaded with fat — healthy omega-3 fatty acids.