am

1 of 5

present tense first-person singular of be

Am

2 of 5

abbreviation (1)

America; American

Am

3 of 5

symbol

americium

AM

4 of 5

noun

ˈā-ˌem 

often attributive

: a broadcasting system using amplitude modulation

also : a radio receiver of such a system

AM

5 of 5

abbreviation

1

airmail

2

air marshall

3

Air Medal

4

[Latin anno mundi] in the year of the world

—often printed in small capitals

5

or a.m. or British am ante meridiem

6

[New Latin artium magister] master of arts

7

associate member

8

chiefly British Assembly Member

9

Ave Maria

Word History

Etymology

Middle English, from Old English eom; akin to Old Norse em am, Latin sum, Greek eimi

Noun

amplitude modulation

First Known Use

Noun

1939, in the meaning defined above

Kids Definition

am

1 of 2

present 1st singular of be

AM

2 of 2 noun

ˈā-ˌem

: a system of broadcasting using amplitude modulation

also : a receiver of radio waves broadcast by such a system

AM adjective

Medical Definition

Am

1 of 2 symbol

americium

AM

2 of 2 abbreviation

1

[Latin ante meridiem] before noon

2

[Medieval Latin Artium Magister] master of arts