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Definition of 'ampere'

Word Frequency

ampere

(æmpeəʳ , US -pɪəʳ )
Word forms: plural amperes regional note:   in BRIT, also use ampère
countable noun
An ampere is a unit which is used for measuring electric current. The abbreviation amp is also used.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers
Word Frequency

Ampère in British

(ˈæmpɛə , French ɑ̃pɛr)
noun
André Marie (ɑ̃dre mari). 1775–1836, French physicist and mathematician, who made major discoveries in the fields of magnetism and electricity
Collins English Dictionary. Copyright © HarperCollins Publishers
Word Frequency

ampere in British

(ˈæmpɛə )
noun
1. 
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
Collins English Dictionary. Copyright © HarperCollins Publishers
Word origin of 'Ampère'
C19: named after André Marie Ampère
Word Frequency

Ampère in American

(ɑ̃ˈpɛʀ; änperˈ)
André Maˈrie (ɑ̃dʀeɪ maˈʀi) ; ändrā mȧrēˈ) 1775-1836; Fr. physicist & mathematician
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Word Frequency

ampere in American

(ˈæmˌpɪr ; amˈpirˌ)
noun
the basic unit of electric current intensity, equal, in the MKS system, to a rate of flow of charge in a conductor or conducting medium of one coulomb per second and, in the SI system, to a constant current that, if maintained in two straight parallel conductors of infinite length and negligible circular cross section placed one meter apart in a vacuum, would produce between these conductors a force equal to 2×10-7 newton per meter of length: abbrev. A or amp
see also ohm
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Ampère'
after Ampère
Word Frequency

ampere in Electrical Engineering

(æmpɪər) or A
Word forms: (regular plural) amperes
noun
(Electrical engineering: Circuits, Electrical power)
An ampere is a measure of electrical current.
An ampere is the unit of measurement of electrical current produced in a circuit by 1 volt acting through a resistance of 1 ohm.
A current of more than 100 amperes is required to turn the car engine for starting.
An ampere is a measure of electrical current.
ampere-hour, ampere-turn
Word originsThis word is named for the French physicist Andre-Marie Ampere (1775-1836) who worked out the relationship between magnetism and electricity.
Collins English Dictionary. Copyright © HarperCollins Publishers

Word Lists

Physics terms

Trends of 'ampere'

Used Rarely. Ampère is in the lower 50% of commonly used words in the Collins dictionary

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Translations for 'ampere'

British English: ampere NOUN
An ampere is a unit used for measuring electric current.
It is the charge transferred by one ampere in one second.
  • American English: ampere
  • Brazilian Portuguese: ampere
  • Chinese: 安培
  • European Spanish: amperio
  • French: ampère
  • German: Ampere
  • Italian: ampere
  • Japanese: アンペア
  • Korean: > 암페어 전류의 단위
  • European Portuguese: ampere
  • Spanish: amperio

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Nearby words of 'Ampère'

  • ampelography
  • ampelopsis
  • amperage
  • Ampère
  • ampere-hour
  • ampere-turn
  • amperometric

  • All ENGLISH words that begin with 'A'

Related Terms of 'Ampère'

  • ampere-hour
  • ampere-turn
  • volt-ampere
  • kilovolt-ampere

Source

Definition of ampere from the Collins English Dictionary

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