sort by Rank | Alpha
| Possible Meanings | Rank |
| Notice of Intent to Develop | **** |
| Northern Illinois District | **** |
| Non Invasive Detection | **** |
| Negative Ion Detector | **** |
| Nanotechnology Information Devices | **** |
| Network Intrusion Detection | **** |
| November in Dallas | **** |
| National Immunization Days | **** |
| New Islamic Directions | *** |
| Nichtraucher Initiative Deutschland | *** |
| National Insurance Department | *** |
| Nevada Irrigation District | *** |
| Networked Intelligence for Development | *** |
| Network Interface Devices | *** |
| National Institute for Disabled | *** |
| Neighborhood Infill Development | *** |
| National Investigation Department | *** |
| Naval Intelligence Department | *** |
| Network Information Database | *** |
| National Immunisation Day | *** |
| National Informatics Directorate | *** |
| Not Intentionally Doped | *** |
| Not Intended to Drink | *** |
| National Immunisation Days | *** |
| Network Infrastructure Directorate | *** |
| Neighborhood Improvement Districts | *** |
| Network Interface Definition | ** |
| net injected dose | ** |
| neuronal intestinal dysplasias | ** |
| Noise Induced Deafness | ** |
| noise-induced deafness | ** |
| non-immunological disorders | ** |
| non-immunological" disease | ** |
| non-iron deficient | ** |
| normalized isoeffective dose | ** |
| NR interaction domain | ** |
| nucleus infundibularis dorsalis | ** |
| narrowest inner bone diameter | ** |
| Nmi/IFP 35 domain | ** |
| non insulin-dependent diabetics | ** |
| nonessential for initiation domain | ** |
| Northern Indiana Diving | ** |
| Network Infrastructure Design | ** |
| National Institution of Design | ** |
| National Immigration Directorate | ** |
| Nonlinear Ion Dynamics | ** |
| National Institute for the Disabled | ** |
| Neumonitis Intersticial Descamativa | ** |
| Non Ionic Detergent | ** |
| National InfoStructure Development | ** |
| Namibian Institute for Democracy | ** |
| Network Interface Demarcation | ** |
| National Intelligence Department | ** |
| Naval Intelligence Directorate | ** |
| Network Identification by Deconvolution | ** |
| NATO Interoperability Directive | ** |
| Net Integration Developpement | ** |
| Normal and Independently Distributed | ** |
| Nuclear Industries Directorate | ** |
| Negotiable Instrument of Deposit | ** |
| Non Instructional Day | ** |
| Navigation Interface Display | ** |
| Negligible Individual Dose | ** |
| Not in Directory | ** |
| National Information Database | * |
| Neutrino Induced Doppler | * |
| Newpark Industrial Disposal | * |
| Network Information Discovery | * |
| National Institute on Disability | * |
| Networked Information Discovery | * |
| NR Interacting Domain | * |
| New India Digest | * |
| Non Interactive Display | * |
| Networked Intelligent Device | * |
| News India Design | * |
| Northern Ireland District | * |
| Niepodleglosc i Demokracja | * |
| Neptune Interactive Designs | * |
| National Institute of Development | * |
| National Institute of Diabetes | * |
| Nationwide Inventory Data | * |
| Net International Dialback | * |
| Network Information Dissemination | * |
| New International Designations | * |
| Nicolet Instruments of Discover | * |
| Nigerian Independence Day | * |
| Nikken Independent Distributors | * |
| Notice of Intent to Discharge | * |
| Notification of Intent to Drill | * |