Dictionary

am

Definition of AM

present 1st singular of be

Origin of AM

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

1Am

abbreviation

Definition of AM

America; American

2Am

symbol

Definition of AM

americium

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

1AM

noun, often attributive \ˈā-ˌem\

: 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

Full Definition of AM

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

Origin of AM

amplitude modulation
First Known Use: 1940

2AM

abbreviation

Definition of AM

1
airmail
2
Air Medal
3
[Latin anno mundi] in the year of the world —often printed in small capitals
4
ante meridiem —often not cap and often punctuated
5
[New Latin artium magister] master of arts

Browse

8 ENTRIES FOUND:
Next Word in the Dictionary: amaPrevious Word in the Dictionary: Alzheimer's diseaseAll Words Near: am
May 22, 2015
nepotism Hear it
favoritism based on kinship
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears