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Definition of NG
1. Noun. One billionth (1/1,000,000,000) gram.
Exact synonyms: Nanogram
Generic synonyms: Metric Weight Unit, Weight Unit
Group relationships: Mcg, Microgram
Generic synonyms: Metric Weight Unit, Weight Unit
Group relationships: Mcg, Microgram
Definition of NG
1. Abbreviation. (petrochemistry) natural gas ¹
2. Abbreviation. (Internet) newsgroup ¹
3. Abbreviation. (Internet) Newgrounds ¹
4. Initialism. Nasogastric ¹
¹ Source: wiktionary.com
Medical Definition of NG
1.