am
1 Americanverb
abbreviation
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Electronics. amplitude modulation: a method of impressing a signal on a radio carrier wave by varying its amplitude.
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Radio. a system of broadcasting by means of amplitude modulation.
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of, relating to, or utilizing such a system.
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Asian male.
abbreviation
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America.
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American.
abbreviation
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before noon.
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the period from midnight to noon, especially the period of daylight prior to noon.
Shall we meet Saturday a.m.?
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a morning newspaper, sometimes issued shortly before midnight.
symbol
verb
abbreviation
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associate member
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Assembly Member (of the National Assembly of Wales)
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Albert Medal
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Master of Arts
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Also: am. amplitude modulation
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See a.m.
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Member of the Order of Australia
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Armenia (international car registration)
abbreviation
abbreviation
abbreviation
abbreviation
Usage
The abbreviation a.m. for Latin ante merīdiem, meaning “before noon,” refers to the period from midnight until noon. One minute before noon is 11:59 a.m. One minute after noon is 12:01 p.m. Many people distinguish between noon and midnight by saying 12 noon and 12 midnight. Expressions combining a.m. with morning ( 6 a.m. in the morning ) and p.m. with afternoon, evening, or night ( 9 p.m. at night ) are redundant and occur most often in casual speech and writing. Both a.m. and p.m. sometimes appear in capital letters, especially in printed matter.
Etymology
Origin of am1
First recorded before 900; Middle English; Old English am, eam, eom; cognate with Gothic im, Old Norse, Armenian em, Old Irish am (from unattested esmi ), Attic Greek eimí, Aeolic Greek émmi, Doric Greek ēmí (all from prehistoric Greek esmi ), Hittite esmi, early Lithuanian esmì, Old Church Slavonic yesmĭ, Albanian jam (from unattested esmi ), Sanskrit ásmi, from unattested Proto-Indo-European ésmi, from root es- “to be” + -m 1st person singular + -i, present-time marker; is
Origin of AM3
First recorded in 1935–40
Origin of a.m.6
From Latin ante merīdiem
Origin of A.M.7
A.M. ( def. 2 ) from Latin Artium Magister
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"I am excited to be at the start of Paris-Nice once again," Vingegaard said in a statement released by his team.
From Barron's
"Is there more to do? Absolutely. But we've created the conditions for growth and I am confident this will be the year we will see the results of that," she said.
From BBC
“Why am I paying this much for them to give me a movie for a year and take it away?”
From Los Angeles Times
She wrote: "currently searching for tandem bike for racing am in paracycling team and have no tandem bike. It can be of great help to me."
From BBC
"I am facing some financial issues but will certainly go with my son after Eid al-Adha," referring to the Muslim holiday expected in late May.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.