omega

views updated Jun 27 2018

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.

omega

views updated May 29 2018

omega the last letter of the Greek alphabet (Ω, ω), transliterated as ‘o’ or ‘ō’; figuratively, the last of a series, the final development. (See also alpha and omega.)

omega

views updated May 29 2018

omega last letter of the Gr. alphabet (ω, ω); last of a series, end. XVI. — Gr. ô méga (cf. MEGA-) ‘great o’.