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amp

1  [amp]
Use amp in a Sentence
–noun Electricity.
ampere.
Origin:
1885–90; by shortening

amp

2  [amp]
–noun Informal.
amplifier.
Origin:
1960–65; by shortening

amp

3  [amp]
–noun Slang.
1. amputation.
2. amputee.
Origin:
by shortening

AMP

 
Biochemistry.
a white, crystalline, water-soluble nucleotide, C10H12N5O3H2PO4, obtained by the partial hydrolysis of ATP or of ribonucleic acid, yielding on hydrolysis adenine, ribose, and orthophosphoric acid.
Also called adenosine monophosphate, adenylic acid.

Origin:
1950–55; a(denosine) m(ono) p(hosphate)

amp.

 
Electricity.
1. amperage.
2. ampere; amperes.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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amp   (āmp)   
n.   Informal
  1. An ampere.
  2. An amplifier, especially one used to amplify music.
AMP   (ā'ěm-pē')   
n.  A mononucleotide, C10H14N5O7P, found in animal cells and reversibly convertible to ADP and ATP; adenosine monophosphate. Also called adenylic acid.

[a(denosine) m(ono)p(hosphate).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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amp (ampere) [(am-peer)]

A unit of electric current. One ampere corresponds to a certain number of electrons passing a fixed point each second.

Note: A typical household's electrical supply includes a total of 120 to 200 amps; a typical house circuit carries 15 to 50 amps.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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amp

off vt. [Purdue] To run in background. From the Unix shell `&' operator.
Jargon File 4.2.0
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Main Entry: AMP
Pronunciation: "A-"em-'pE
Function: noun
: a mononucleotide of adenineC10H12N5O3H2PO4 that was orig. isolated from mammalian muscle and is reversibly convertible to ADP and ATP in metabolic reactionscalled also adenosine monophosphate; —compare CYCLIC AMP

Main Entry: amp
Function: abbreviation
1 amperage
2 ampere
3 ampule
4 amputation
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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AMP (ā'em-pē')
n.
Adenosine monophosphate; a mononucleotide found in animal cells and reversibly convertible to ADP and ATP. Also called adenine nucleotide, adenylic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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AMP   (ā'ěm-pē')  Pronunciation Key 
Short for adenosine monophosphate. An organic compound that is composed of adenosine and one phosphate group. It is one of the nucleotides present in DNA and RNA, and is also the fundamental component of ATP and ADP. During certain cellular metabolic processes, AMP forms from ADP when the latter loses a phosphate group, and AMP forms ADP by acquiring a phosphate group. Chemical formula: C10H14N5O7P.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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AMP
1. Algebraic Manipulation Package.
2. Active Measurement Project.

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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amp
  1. ampere
  2. amplifier
AMP
  1. adenosine monophosphate
  2. Association for Molecular Pathology
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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amp

unit of electric current in the Systeme International d'Unites (SI), used by both scientists and technologists. Since 1948 the ampere has been defined as the constant current which, if maintained in two straight parallel conductors of infinite length of negligible circular cross section and placed one metre apart in a vacuum, would produce between these conductors a force equal to 2 10-7 newton per metre of length. Named for the 19th-century French physicist Andre-Marie Ampere, it represents a flow of one coulomb of electricity per second. A flow of one ampere is produced in a resistance of one ohm by a potential difference of one volt. See electric current.

Learn more about amp with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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