na

na

[nah, nuh] Chiefly Scot.

Origin:
before 900; Middle English (north and Scots); in part representing Old English (n(e) not, nor + ā ever; cf. ay1); in part variant of ne; cf. no1

Dictionary.com Unabridged

NA

1.
not applicable.
2.
not available.

Na

Symbol, Chemistry.

Origin:
< Neo-Latin natrium

n/a

1.
no account.
2.
not applicable.

N.A.

1.
National Army.
2.
North America.
3.
not applicable.
4.
Microscopy, numerical aperture.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
na1 (nɑː)
 
determiner
a variant of nae

na2
 
the internet domain name for
Namibia

Na
 
the chemical symbol for
sodium
 
[Latin natrium]

NA
 
abbreviation for
1.  North America
2.  Netherlands Antilles (international car registration)

n/a
 
abbreviation for
not applicable

nae or na (neɪ, nɑː)
 
determiner
no a Scot word for not
 
na or na
 
determiner

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

Na
The symbol for the element sodium.

NA abbr.
Nomina Anatomica (official system for anatomical nomenclature)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Na  
The symbol for sodium.
sodium   (sō'dē-əm)  Pronunciation Key 
Symbol Na
A soft, lightweight, silvery-white metallic element of the alkali group that reacts explosively with water. It is the most abundant alkali metal on Earth, occurring especially in common salt. Sodium is very malleable, and its compounds have many important uses in industry. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

na definition

networking
The country code for Namibia.
(1999-01-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
na
Nauru
Na
  1. Nahum

  2. sodium

NA
  1. Narcotics Anonymous

  2. Native American (as in personal ads)

  3. Netherlands Antilles (international vehicle ID)

  4. not allowed

  5. not applicable

  6. not available

n.a.
Latin non allocatur (it is not allowed)
N.A.
North America
N/A
  1. not applicable

  2. not available

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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