omega

noun
ome*ga \ ō-ˈmā-gə \ -ˈmē- \ -ˈme- \
15th century{ds||1||}
  • the 24th and last letter of the Greek alphabet
  • the extreme or final part : end
  • something or someone designated with the name omega or the Greek letter ω especially denoting the last in position, order, or class

omega-6

adjective
ome*ga-6 \ ō-ˈmā-gə-ˈsiks \ -ˈmē- \ -ˈme- \
1976
  • 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

omega-3

adjective
ome*ga-3 \ ō-ˈmā-gə-ˈthrē \ -ˈmē- \ -ˈme- \
1967
  • 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

alpha and omega

noun
alpha and omega \
14th century{ds||1||}
  • the beginning and ending
  • the principal element

the alpha and omega

noun phrase
the alpha and omega \
  • the most important part of something
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