Nortel, a major publicly traded producer of telecommunications/data products and support services

Short form for the Nick.com game, Nicktropolis

nucleotide, a chemical compound

British Royal National Theatre

National Trust for Places of Historic Interest or Natural Beauty, better known as the National Trust, UK conservation organisation

nuclear transfer, the scientific technique used to clone animals

Binter Canarias IATA airline designator

Niketalk, the Ultimate Online Sneaker Community

Near Threatened (NT or LR/nt), IUCN Red List category

Neurotypical (Neurologically Typical), someone whose brain development and activity are typical

Netherlands Antilles: FIPS PUB 10-4 territory code

New Territories, an area of land in Hong Kong

Iraq-Saudi Arabia Neutral Zone: ISO 3166 digram (obsolete since 1993; although divided by treaty in 1981, this was never filed with the UN or any agency outside the interested parties)

Northern Territory (States and territories of Australia)

Northwest Territories (Canadian Province/Territory Code)

NT is also one abbreviation used for the state in which the town Springfield from the TV show "The Simpsons" is located.

iNtuitive Thinker, one of the four David Keirsey psychological temperaments

Windows NT, an operating system from Microsoft

NT (cassette), Sony's microcassette-based digital memo recorder

Zeppelin NT, a type of German airship manufactured since the 1990s

NT 2200, designation for low-floor trams in Zagreb (NT - Niskopodni tramvaj = low-floor tram)

"No text", used to label e-mail messages or forum posts whose subject line contains the entire message and whose body is blank. Synonym: EOM.

New Taiwan dollar, official currency of the Republic of China

New Testament, for Christians, the second part of the Bible

Network termination, a device connecting the customer's data or telephone equipment to the local exchange carrier's line.

niton: chemical symbol (obsolete name of the chemical element radon)

nanotesla, an SI unit of magnetic flux density