the basic SI unit of electric current; the constant current that, when maintained in two parallel conductors of infinite length and negligible cross section placed 1 metre apart in free space, produces a force of 2 × 10–7 newton per metre between them. 1 ampere is equivalent to 1 coulomb per second
2.
a former unit of electric current (international ampere); the current that, when passed through a solution of silver nitrate, deposits silver at the rate of 0.001118 gram per second. 1 international ampere equals 0.999835 ampere
Abbreviation: amp Symbol: A
AMP in American English
(ˌeɪˌɛmˈpi)
noun
a crystalline nucleotide, C10H14N5O7P, present in, and vital to the energy processes of, all living cells: also a major regulator of a cell's biochemical activity
Word origin
a(denosine) m(ono)p(hosphate)
amp in American English1
(æmp)
US
noun
1.
ampere
2.
amplifier
amp in American English2
1.
amperage
2.
ampere(s)
Examples of 'amp' in a sentence
amp
My guitar amp got a lot louder.
The Sun (2008)
There was a guitar sitting there plugged into an amp the whole time.
The Sun (2007)
Verdict Pair with a good amp and speakers to win over any digital diehard.
Times, Sunday Times (2015)
The amp and speakers will also work with just about any other audio source, from CD players to phones and tablets.
Times, Sunday Times (2014)
In other languages
amp
British English: amp /æmp/ NOUN
An amp is a unit which is used for measuring electric current.
...a 3 amp fuse.
American English: amp
Arabic: مُكَبَّر
Brazilian Portuguese: ampère
Chinese: 安培
Croatian: amper
Czech: ampér
Danish: ampere
Dutch: ampère
European Spanish: amperio
Finnish: ampeeri
French: ampère
German: Ampere
Greek: αμπέρ
Italian: ampere
Japanese: アンペア
Korean: 암페어
Norwegian: ampere
Polish: amper
European Portuguese: ampere
Romanian: amper
Russian: ампер
Latin American Spanish: amperio
Swedish: ampere (n)
Thai: แอมแปร์
Turkish: amper
Ukrainian: ампер
Vietnamese: ampe
All related terms of 'amp'
amp-hr
ampere-hour
amp up
to increase
op amp
An op amp is a high gain amplifier to which feedback may be applied to control and tailor its operation .
cyclic AMP
cyclic adenosine monophosphate : a constituent of biological cells, responsible for triggering processes that are dependent on hormones
ah
Ah is used in writing to represent a noise that people make in conversation , for example to acknowledge or draw attention to something, or to express surprise or disappointment .
preamp
→ preamplifier
Chinese translation of 'amp'
amp
(ˈæmp)
n(c)
安培 (ānpéi)
a 13 amp plug一个(個)13安培的插头(頭) (yīgè shísān ānpéi de chātóu)