(artificial intelligence) Abbreviation of narrow artificial intelligence.

(poetic) The grave.

(nautical) A body of ocean water such as a channel.

(nautical) plural of narrow sea / (nautical, law, UK) Those seas (bodies of ocean water) which surround the British Isles, especially the English Channel.

plural of narrow gauge

(rail transport) A track gauge less than standard gauge.

(idiomatic) To make more specific.

(law) Alternative form of strict construction

(aviation, petrochemistry, chemical engineering, of jet fuel) Composed of moderately-heavy hydrocarbons with boiling points in the kerosene range, without a significant proportion of lighter, gasoline-type hydrocarbons; Jet A is an example of a fuel of this type.

(programming) A conversion from one data type to another where the new data type’s size is smaller than the old one’s, such that the conversion may result in loss of information.