omega

noun ome·ga \ō-ˈmā-gə, -ˈmē-, -ˈme-\

: the 24th and last letter of the Greek alphabet

Full Definition of OMEGA

: the 24th and last letter of the Greek alphabet — see alphabet table

: the extreme or final part : end

a : a negatively charged elementary particle that has a mass 3270 times the mass of an electron —called also omega minus

b : a very short-lived unstable meson with mass 1532 times the mass of an electron —called also omega meson

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Middle English, from Greek ō mega, literally, large o

First Known Use: 15th century

Medical Dictionary

adjective ome·ga

: of, relating to, or being a chemical group or position at the end of a molecular chain <omega oxidation of fatty acids>

ome·ga or ω- \ō-ˈmeg-ə, -ˈmā-gə, especially British ˈō-meg-ə\

Next Word in the Dictionary: omega–3Previous Word in the Dictionary: -omeAll Words Near: omega

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