(Internet) Initialism of newsgroup; also NG.

A surname from Chinese.

(petrochemistry) Initialism of natural gas. / Initialism of nitroglycerin. / (Internet) Initialism of newsgroup. / (rail transport) Initialism of narrow gauge.

Not OK. Initialism of no good. / Initialism of nasogastric.

(Internet) Initialism of Newgrounds. / Initialism of National Geographic.

(video games) Initialism of new game plus.

Initialism of National Geographic Society. / Initialism of National Genealogical Society. / Initialism of National Geodetic Survey. / Initialism of National Gramophonic Society.

Initialism of next-generation sequencing. / Initialism of nice guy syndrome. / Initialism of neutral grain spirit. / Initialism of neutral grape spirit (“vinous alcohol”).

plural of Ng

plural of NG