| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| NOC | Network Operation Control | In English | |
| NÖC | Neptün Ötesi Cisim = TNO | Trans-Neptunian Object | In English = OTN | Objet Transneptunien | In French = TNO | Transneptunisches Objekt | In German = TNO | Transneptuna Objekto | In Esperanto = TNO | Transneptunsk Objekt | In Norwegian = ТНО | Транснепту́новый объе́кт | In Russian  | 
In Turkish | → Interplanetary medium |