na

¹

[nah, nuh]

adverb

1. no.

2. not; in no way; by no means.

conjunction

1. nor; neither.

Na

²

Symbol, Chemistry.

1. sodium.

NA

³

abbreviation

1. not applicable. Also n/a

2. not available.

n/a

⁴

abbreviation

1. no account.

2. not applicable. Also NA

3. not available.

N.A.

⁵

abbreviation

1. National Army.

2. North America.

3. not applicable.

4. Microscopy.,  numerical aperture.

NA

¹

abbreviation

1. North America

2. Netherlands Antilles (international car registration)

Na

²

symbol

1. sodium

na

³

/ nɑː /

determiner

1. a variant of nae

na

⁴

abbreviation

1. Namibia

n/a

⁵

abbreviation

1. not applicable

Word History and Origins

Origin of NA¹

before 900; Middle English (north and Scots); in part representing Old English nā ( n ( e ) not, nor + ā ever; ay ¹ ); in part variant of ne; no ¹

Origin of NA²

From the New Latin word natrium

Word History and Origins

Origin of NA¹

Latin natrium