Omicron

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.]



From WordNet (r) 2.0 [wn]:

  omicron
       n : the 15th letter of the Greek alphabet