am

Definition of am

 (Entry 1 of 5)

present tense first-person singular of be

Definition of Am (Entry 2 of 5)

America; American

Am

symbol

Definition of Am (Entry 3 of 5)

americium

AM

noun, often attributive
\ ˈā-ˌem How to pronounce AM (audio) \

Definition of AM (Entry 4 of 5)

: a broadcasting system using amplitude modulation also : a radio receiver of such a system

Definition of AM (Entry 5 of 5)

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

First Known Use of am

Noun

1939, in the meaning defined above

History and Etymology for am

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

Noun

amplitude modulation

Keep scrolling for more

Learn More about am

Statistics for am

Cite this Entry

“Am.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/am. Accessed 6 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for am

AM

noun

English Language Learners Definition of AM

: a system for sending radio signals in which the height of a radio wave is changed in order to send information in the form of sound

am

Kids Definition of am

present tense first person singular of be

Kids Definition of Am.

1 America
2 American
variants: or A.M.

Kids Definition of a.m.

before noon
Hint: The abbreviation a.m. is short for the Latin phrase ante meridiem, which means “before noon.”

Am

symbol

Medical Definition of Am

 (Entry 1 of 2)

americium

Medical Definition of AM (Entry 2 of 2)

1 [Latin ante meridiem] before noon
2 [Medieval Latin Artium Magister] master of arts

More from Merriam-Webster on am

Nglish: Translation of am for Spanish Speakers

Britannica English: Translation of am for Arabic Speakers

Comments on am

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

WORD OF THE DAY

Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!