omega

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o·me·ga / ōˈmāgə; ōˈmē-/ • n. the twenty-fourth, and last, letter of the Greek alphabet (Ω, ω), transliterated as ‘o’ or ‘ō.’ ∎  the last of a series; the final development: [as adj.] the omega point. ∎  (Omega) [followed by Latin genitive] Astron. the twenty-fourth star in a constellation: Omega Scorpii.• symb. ∎  (Ω) ohm(s): a 100Ω resistor.

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