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Acronyms and abbreviations in English.

An acronym is a word or name formed as an abbreviation from the initial components of a phrase or a word, usually individual letters. There are no universal standards for the multiple names for such abbreviations or for their orthographic styling.

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There are currently 236 terms in this directory beginning with the letter N.
N
1. No
2. ( n ) – number
3. ( N. ) – North
4. ( n. ) – neuter
N.&Q.
Notes and Queries
N.Amer.
North America, -n
N.E.
North East
N.E.D.
New English Dictionary, original title of the Oxford English
n.q.
no quotations
N.T.
New Testament
N.W.
North West
N.Z.
New Zealand
N/A
1. not applicable.
2. not available.
N64
Nintendo 64
NA
1. Negotiated Agreement.
2. Namibia.
NAA!
Not Another Acronym!
NAAMSA
National Association of Automobile Manufacturers of South Africa
NAAQS
National Ambient Air Quality Standards
NACCB
National Accreditation Council for Certification Bodies (now NACB, under UKAS)
NACO
NACO program (Name Authority Cooperative)
NACSE
Northwest Alliance for Computational Science & Engineering
NAD
no abnormality detected
NADA
National Automobile Dealers Association (USA)
NAGHSR
National Association of Governors Highway Safety Representatives
NAGI
Not A Good Idea
NAHSC
National Automotive Highway System Consortium (USA)
NAMAS
National Measurement Accreditation Service
NAMPO
1. South African Agricultural Trade Show Multiplex.
2. North Korean city and seaport.
NAO
National Audit Office
NAP
1. National Allocation Plan (under euets).
2. Native American Program, Harvard University.
NAPA
National Academy of Political Awareness
NAPLAN
National Assessment Program – Literacy And Numeracy
NAPM
National Association of Paper Merchants
NAQS
National Air Quality Survey
Narr.
(in titles) Narrative
NARTI
Northern Advanced Research Training Initiative
NASA
National Aeronautics and Space Administration
NASBA
National Automobile Safety Belt Association
NASS
National Accident Sampling System
Nat.
(in titles) Natural
Nat. Hist.
in Natural History
NATO
North Atlantic Treaty Organization
NATS
National Air Traffic Services
Naut.
in nautical language
NAVLAB
Navigation Laboratory
NAVY
Never Again Volunteer Yourself
NAW
National Assembly for Wales
NAWDC
National Association of Waste Disposal Contractors (now ESA)
NAWDO
National Association of Waste Disposal Officers
NAWRO
National Association of Waste Regulation Officers
NB
1. Nota Bene (it is important to note).
2. Notchback.
NBCP
National Board for Crime Prevention
NBD
No Big Deal
NBDA
Network-based Diffusion Analysis
NBG
No Bloody Good
NBL
Not Bloody Likely
NBM
New Bus Models
NBMA
non broad cast multiple access (networks)
NBS
National Bureau of Standards (USA)
NBTD
Nothing Better To Do
NC
1. Nitro Cellouse.
2. New Caledonia.
NCAC
National Crash Analysis Centre (USA)
NCAP
New Car Assessment Programme
NCBEL
New Cambridge Bibliography of English Literature
NCC
National Caravan Council
nccn
National Comprehensive Cancer Network
NCCR
1. National Centre of Competence in Research.
2. North Carolina Clinical Research.
NCCT
Network Computing and Control Technologies Research Laboratory
NCDA
National End-of-Life Vehicle
NCEDC
Northern California Earthquake Data Center
NCERD
1. National Center for Explosion Resistant Design.
2. National Centre for Energy Research and Development (University of Nigeria).
NCF
National Curriculum Framework
NCI
Net Control Information
NCIS
National Criminal Intelligence Service
NCMF
National Center for Media Forensics (University of Colorado Denver)
NCR-CET
National Cash Register College Of Emerging Technologies
NCSF
National Centre for Forensic Studies
NDDM
Nonlinear Digital Delta Modulation
NDIR
Non-Dispersive Infrared Analyser
NDMA
N-Nitrosodimethylamine
NDPB
Non-Departmental Public Body
NDT
Non-Destructive Testing
NE
Niger
NEARCOM
New England Amateur Radio COMmunication
NEC
1. Nutral Earth Compensator.
2. Nutral Electromagnetic Coupler.
3. National Exhibition Centre.
NEDC
New European Drive Cycle
NEERI
National Environmental Engineering Research Institute (India)
NEET
National Eligibility-cum-Entrance Test
NEMSA
National EMS Academy
NEN
Nederlands Normalisatie Institute
NERC
Natural Environement Research Council
NERD
National Establishment for Real Dorks
NERG
North East Radio Group
NERT
New Era Repeater Technocrats
NERW
NorthEast Radio Watch
NETA
New Electricity Trading Arrangements
NETCEN
National Environmental Technology Centre
neut. (rarely n.)
neuter
NF
1. Norfolk Island.
2. Neurofibromitosis.
NF., NFr.
Northern French
NFA
No Flaming Allowed
NFB
National Federation for the Blind
NFC
National Freight Consortium
NFDA
National Franchised Dealers Association
NFFO
Non Fossil Fuel Obligation
NFG
No fucking Good
NFI
No fucking Idea
NFIAA
No fucking Idea At All
NFM
National Firearms Museum
NFW
No fucking Way
NFY
No fucking You
NG
1. Nigeria.
2. Noun Group.
3. Nitroglycerine.
4. Natural Gas.
NGC
National Grid Company
NGCR
National Geographics Committee for Research
NGO
non-governmental organization
NGOs
Non Governmental Organisations
NGS
National Geographic Society
NH
No Harmonics
NHGIS
National Historical Geographic Information System
NHIRD
National Health Insurance Research Database
NHLFE
Next Hop Label Forwarding Entry
NHOH
Never Heard Of Him/ Her
NHRP
Next Hop Resolution Protocol
NHS
1. Next Hop Server.
2. National Health Service.
NHTSA
National Highway Transport Safety Administration
NI
Nicaragua
NIAA
No Idea At All
NIC
National Influenza Center
NICB
National Insurance Crime Board
NICBDA
Nothing Is Certain But Death And Taxes
NIDB
Northern Ireland Development Board
NIDWTC
No I Dont Want To Chat
NIFG
Nitrogen Fixing Gene
NIFOC
NudeIn Front Of Computer
NIG
National Interest Group (of HSE)
NIH
Not Invented Here
NIHS
National Institute of Health Sciences
NIMBY
Not In My Back Yard
NIMTO
Not In My Term of Office
NIN
National Institute of Nutrition
NINO
Nothing In, Nothing Out
NIRICT
Netherlands Institute for Research in ICT
NIRISS
Near-InfraRed Imager and Slitless Spectrograph
NIT
Not In Therapy
NJ
Nagasaki, Japan
NJTH
Not Just Thinking Here
NL
Netherlands
NLEV
National Low Emission Vehicle
NLI
Not Logged In
NLRI
network layer reachability information
NM
1. Never Mind.
2. Not Modulated.
NMEP
National Malaria Eradication Programme
NMHC
Non Methane Hydrocarbons
NMI
1. No Middle Initial.
2. Northern Mariana Islands.
NMOG
1. Non on Methane Organic Gases.
2. New Modes of Governance (Asia Research Centre).
NMP
New Maintenance Programme
NMU
Nitrosomethyl urea
NN
Night-Night
NNR
National Nature Reserve
NO
Norway
no.
number
NOCT
Nominal Operating Cell Temperature
nom.
nominative
NOMS
No ton MY System
NOPUS
National Occupant Protection Use Survey (USA)
north.
northern dialect
Norw.
Norwegian
NORWIC
kNickers Off Ready When I Come Home
NOWL
Normal Operation Water Level
NOx
Nitrogen Oxides
NOYB
None Of Your Business
NP
1. No Problem.
2. Nepal.
NPA
National Police Agency (Japan)
NPF
No Problem Found
NPL
1. National Physical Laboratory.
2. Normal Power Level.
NPLU
Not People Like Us
NPRM
Notice of Proposed Rulemaking
NPT II
Neomycin phosphotransferase II
NPV
Net Present Value
NQA
No Questions Asked
NQOS
Not Quite Our Sort
NR
1. non-repeatable.
2. Nauru.
3. No Reply.
Nr.
number
NRF
National Recycling Forum
NRGB
Nuclear Research Group Bangladesh
NRID
Nigrescence Racial Identity Development
NRMM
Non-Road Mobile Machinery
NRN
No Reply Necessary
NRRL
Norwegian Radio Relay League
NRS
1. numeric rating scale.
2. Nehemiah Reuben Salo.
NRSC
Non-Road Steady Cycle
NRTC
Non-Road Transient Cycle
NS
Number of Syllables
NSAID
nonsteroid anti-inflammatory drugs
NSC
National Safety Council (USA)
NSCA
National Society for Clean Air
NSERC
1. National Suborbital Education and Research Center.
2. Natural Sciences and Engineering Research Council of Canada
NSEW
1. North/South East/West.
2. Not Suitable For Work.
NSI
National Security Inspectorate
NSIR
Nerve Signal Interference Removal
NSSF
National Standardization Strategy Framework
NSSTA
National Small Series Type Approval
NTA
National Type Approval
NTAG
Nordic Theoretical Archaeology Group
NTDA
National Tyre Distributors Association
NTDBWY
Nice To Do Business With You
NTE
Not-To-Exceed Limits
NTG
1. Not Too Good.
2. Nitrosoguamidine.
NTH
No Therapy Helpful
NTHE
National Talent Hunt Exam
NTIBOA
Not That Im Bitter Or Anything
NTIM
Not That It Matters
NTIMM
Not That It Matters Much
NTL
1. Never The Less/ None The Less.
2. Never the less.
NTO
National Training Organisation
NTPR
normal temperature pulse and respiraton
NTRO
National Technical Research Organisation
NTSB
National Transportation Safety Board
NTSE
National Talent Search Examination
NTTA
National Trailer & Towing Association
NTTAA
National Technology Transfer Advancement Act
NU
Niue
Nucl.
Nuclear
NUI
Network User Identification
Numism.
in Numismatics
NUNP
No Users, No Problems
NVH
Noise, Vibration and Harshness
NVQ
National Vocational Qualification
NVSA
New Vehicle Security Assessment
NW
New World
NWS
Not Work Safe
NYAS
New York Academy of Science
NYM
New York Minute
NYP
Not Your Problem
NYSF
National Youth Science Foundation
NZ
New Zealand
NZEV
Near Zero Emission Vehicle
NZGC
New Zealand Governance Centre (University of Auckland)
NZGS
New Zealand Geological Survey

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