Definition of 'ampere'
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
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
noun
Abbreviation: amp Symbol: A1.
Collins English Dictionary. Copyright © HarperCollins Publishers
Word origin of 'Ampère'
Word Frequency
Ampère in American
(ɑ̃ˈpɛʀ; änperˈ)Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
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 ohmWebster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Ampère'
Word Frequency
ampere in Electrical Engineering
(æmpɪər) or AWord forms: (regular plural) amperes
noun
Word originsThis word is named for the French physicist Andre-Marie Ampere (1775-1836) who worked out the relationship between magnetism and electricity.(Electrical engineering: Circuits, Electrical power)
ampere-hour, ampere-turnAn 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.
Collins English Dictionary. Copyright © HarperCollins Publishers
Word Lists
Trends of 'ampere'
Used Rarely. Ampère is in the lower 50% of commonly used words in the Collins dictionary
View usage for:
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.
Nearby words of 'Ampère'
Related Terms of 'Ampère'
Source
Definition of ampere from the
Collins English Dictionary
GDPR, yanny/laurel & MadaBaka Beat: May’s Words in the News
Catch up on the latest words in the news this May with Robert Groves.
Read more
Ruby Chocolate, Fatberg & Right to be Forgotten: April’s Words in the News
Catch up on the latest words in the news this month with Robert Groves.
Read more
Join the Collins community
All the latest wordy news, linguistic insights, offers and competitions every month.
Read more