Dictionary

omega-3

omega–3

adjective ome·ga–3 \-ˈthrē\

Definition of OMEGA-3

:  being or composed of polyunsaturated fatty acids that have the final double bond in the hydrocarbon chain between the third and fourth carbon atoms from the end of the molecule opposite that of the carboxyl group and that are found especially in fish, fish oils, green leafy vegetables, and some nuts and vegetable oils

First Known Use of OMEGA-3

1967

omega–3

adjective ome·ga–3 \-ˈthrē\   (Medical Dictionary)

Medical Definition of OMEGA–3

:  being or composed of polyunsaturated fatty acids in which the first double bond in the hydrocarbon chain occurs between the third and fourth carbon atoms from the end of the molecule most distant from the carboxylic acid group and which are found especially in fish (as tuna and salmon), fish oils, green leafy vegetables, and some vegetable oils
omega–3 noun

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