There are multiple definitions:

1. National Electric Code(English)

   • Nippon Electric Company
   • Standards

2. not elsewhere classified(English)

   • NOS
   • Classification, Diagnostics

3. necrotizing enterocolitis(English)

   • the excessive inflammatory process initiated in the highly immunoreactive intestine extends the effects of the disease systemically, affecting distant organs such as the brain and placing affected infants at substantially increased risk for neurodevelopmental delays. Among the most common and devastating diseases in neonates. The entity was not widely recognized until after the advent of modern NICU. Mean prevalence of the disorder is about 7% among infants with a birth weight between 500 and 1500 g. The estimated rate of death associated with necrotizing enterocolitis ranges between 20 and 30%, with the highest rate among infants requiring surgery
   • NICU, DF
   • Neonatal situation, Inflammasome, Gastroenterology
   • https://doi.org…6/NEJMra1005408
   • https://doi.org…007114516002038

4. noise equivalent count(English)

   • OSEM, PET, ROI, SUV, FBP
   • Medical imaging, Signal analysis
   • https://pubmed.…h.gov/11337581/

5. novel endodontic cement(English)

   • used as pulp capping material
   • MTA
   • Dentistry, Therapeutic approaches
   • https://doi.org…oen.2010.08.024

6. neuroendocrine carcinoma(English)

   • FIGO, NSE, NECC, NET, TPB
   • Endocrinology, Oncology, Neuropathy
   • https://doi.org…2885-018-4447-x

7. National Emission Ceiling(English)

   • AQ, AQAMS, BAT, BREF, CLRTAP, EEA, EIA, EMAS, ENPI, FCCC, GAINS, IMPEL, MAC, MAE, PM, PAH, POP, PRTR, VOC
   • Pollution and health, Environment
   • http://ec.europ…nt/index_en.htm