Na

1 of 2

symbol

sodium

NA

2 of 2

abbreviation

1
Narcotics Anonymous
2
national association
3
no account
4
North America
5
not applicable
6
not available

Word History

Etymology

Symbol

New Latin natrium

Dictionary Entries Near Na

NA

Na

NAA

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Cite this Entry

“Na.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Na. Accessed 22 Dec. 2024.

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Medical Definition

Na

1 of 2 symbol
sodium

NA

2 of 2 abbreviation
1
Narcotics Anonymous
2
Nomina Anatomica
3
numerical aperture
4
nurse aide; nurse's aide

More from Merriam-Webster on Na

Britannica.com: Encyclopedia article about Na

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