Medical Definition of omega–6
: being or composed of polyunsaturated fatty acids in which the first double bond in the hydrocarbon chain occurs between the sixth and seventh carbon atoms from the end of the molecule most distant from the carboxylic acid group and which are found especially in vegetable oils, nuts, beans, seeds, and grains
Seen and Heard
What made you want to look up omega–6? Please tell us where you read or heard it (including the quote, if possible).