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Definition of NA
1. Noun. A silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt).
Generic synonyms: Metal, Metallic Element
Substance meronyms: Halite, Rock Salt, Brine, Saltwater, Seawater
Definition of NA
1. a. & adv. No, not. See No.
Definition of NA
1. Initialism. Narcotics Anonymous ¹
2. Adverb. (obsolete) Not. ¹
3. Adverb. (obsolete) No. ¹
4. Interjection. (Geordie) Used to show disagreement or negation. ¹
5. Interjection. Used to show agreement with a negative question. ¹
6. Interjection. (colloquial) No. ¹
7. Initialism. (linguistics) Noun animate. ¹
8. Symbol. nanoamp ¹
¹ Source: wiktionary.com
Definition of NA
1. no; not [adv]
Medical Definition of NA
1. The chemical symbol for sodium. From natrium, a synonym for sodium. Sodium chloride (ordinary salt) is nacl. (12 Dec 1998)
Lexicographical Neighbors of NA
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