opprimere | abattre |
oppugnabile | contestable |
oppugnazione | contestation |
oppure | sinon |
Oprah Winfrey | Oprah Winfrey |
Opričniki | Oprichnik |
Opričnina | Opritchnina |
Opteron | Opteron |
Optical Character Recognition | Reconnaissance optique de caractères |
Optical mark recognition | Reconnaissance optique de marques |
Optimist | Optimist |