Na

symbol

Definition of Na

 (Entry 1 of 2)

sodium

Definition of NA (Entry 2 of 2)

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

History and Etymology for Na

Symbol

New Latin natrium

Keep scrolling for more

Keep scrolling for more

More Definitions for Na

Na

symbol

Medical Definition of Na

 (Entry 1 of 2)

sodium

Medical Definition of NA (Entry 2 of 2)

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

Comments on Na

What made you want to look up Na? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a sum of money that is sent as a payment

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!