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amp1

[amp] /æmp/
noun, Electricity
1.
Origin
1885-1890
1885-90; by shortening

amp2

[amp] /æmp/
noun
1.
amplifier (def 2).
verb (used with object)
2.
to excite or energize (usually followed by up):
We were so amped up for the game that we forgot to eat.
Origin
1960-65; by shortening

amp3

[amp] /æmp/
noun, Slang.
2.
Origin
by shortening

AMP

Biochemistry
1.
a white, crystalline, water-soluble nucleotide, C 10 H 12 N 5 O 3 H 2 PO 4 , obtained by the partial hydrolysis of ATP or of ribonucleic acid, yielding on hydrolysis adenine, ribose, and orthophosphoric acid.
Origin
1950-55; a(denosine) m(ono) p(hosphate)

amp.

Electricity
1.
2.
ampere; amperes.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for amp

amp

/æmp/
noun
1.
an ampere
2.
(informal) an amplifier
verb
3.
(Austral, informal) to excite or become excited
See also amp up

AMP

abbreviation
1.
adenosine monophosphate
2.
Australian Mutual Provident Society

amp.

abbreviation
1.
ampere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for amp
n.

1886 as an abbreviation of ampere; 1967 as an abbreviation of amplifier.

Online Etymology Dictionary, © 2010 Douglas Harper
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amp in Medicine

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 in Science
AMP
  (ā'ěm-pē')   
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 in Culture
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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Slang definitions & phrases for amp

amp

noun
  1. An ampere, the electrical unit of measurement
  2. An audio amplifier, esp one used for electronic musical instruments
  3. An ampoule of a narcotic

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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amp in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for amp

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.
Cite This Source
Encyclopedia Article for amp

ampere

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 ampere with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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