an acute inflammatory disease occurring in the intestines of premature infants; necrosis of intestinal tissue may follow
"The premature infant developed a severe case of nec, causing the doctor to fear rapid deterioration due to potential intestinal tissue death."
Initialism of near-Earth comet.
"The new entry in the astronomical log was classified as an NEC, indicating it is a near-Earth comet posing potential risks to our planet."
"The nec was removed from the wall during renovation because it had become unstable and dangerous to touch."
Not Elsewhere Classified, a phrase used in classification codes such as Standard Industrial Classification, International Standard Classification of Occupations, DSM-IV-TR, DSM-5, ICD-9, and ICD-10.
"The occupation was listed under the NEC code because it did not fit into any other specific category within the standard classification system."
National Exhibition Centre. The largest exhibition space in the United Kingdom.
"The international trade show was held at nec, which serves as the largest exhibition space in the United Kingdom."