Found 2 items, similar to omicron.
English → English (WordNet) Definition: omicron omicron n : the 15th letter of the Greek alphabet
English → English (gcide) Definition: Omicron Omicron \O*mi"cron\, n. [Written also omikron.] [NL., fr. Gr. [Omicron] [omicron]. See Micro-.] Lit., the little, or short, O, o; the fifteenth letter of the Greek alphabet. [Webster 1913 Suppl.]