Oo

pref. egg; ovum

OO or oo may refer to:Oo (digraph), a digraph in orthographyOô, a Commune in FranceOO gauge, a 1:76.2 modelling scale in model railroading‘Ō‘ō, an extinct bird of the genus MohoObject-oriented, a type of computer programmingOriginal Oratory, a competitive event in high school forensic competitionsSkyWest, IATA code OOOakley, Inc., NYSE stock ticker symbol OOOscillation Overthruster (OO), a Super Flag from the video game BZFlagOO, the depot code for the carriage shed at Old Oak Common TMD
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Oô is a French commune, situated in the département of Haute-Garonne in the Midi-Pyrénées région. Its inhabitants are called Ousiens.The Lac d'Oô is situated in the commune.
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(n.)
A beautiful bird (Moho nobilis) of the Hawaiian Islands. It yields the brilliant yellow feathers formerly used in making the royal robes. Called also yellow-tufted honeysucker.
  

(a.)
One.
  

Oo-: Prefix meaning egg. Pronounced o'-o.

object-oriented