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| | O - Hutchinson encyclopedia article about O (Site not responding. Last check: 2007-10-11) |
 | | The North Semitic alphabet, which was the prototype of the Greek, and thus of all the Western alphabets, had no vowel o, as it was a consonantal alphabet. |
 | | Other symbols were later devised for o, and the Greek alphabet now has the letters omega (Ω, ω) and omicron (Ο, ο). |
 | | In music, abbreviation for open string, marked over a note in music for a string player; or an indication that a harmonic is to be played (see harmonics). |
| encyclopedia.farlex.com /O (198 words) |
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