noun
ampere
AM-pair
Ampere (noun) means the SI base unit of electric current, symbol A, often called an amp in everyday speech. Example: “The device draws a current of two amperes.”
noun
1
The SI base unit of electric current, symbol A, often called an amp in everyday speech.
"The device draws a current of two amperes."
"A kettle can draw around ten amperes when it is switched on."
"The fuse is rated at thirteen amperes."
How to use ampere
Learner’s notesIn plain EnglishThe unit used to measure how much electric current is flowing.
When to use it
Ampere is the formal name, while amp is the usual everyday form.
Memory tip
The symbol is a capital A, and the accented spelling ampère is also seen.
Trace the full origin ↓
Common pairings
a ten-amp fuse
measured in amperes
amperes of current
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The device draws a current of two _____.
Etymology
The word comes from the name of the French physicist André-Marie Ampère, who lived from 1775 to 1836, in whose honour the unit is named.
Synonyms
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Rhymes for ampere
See all rhymes for ampere →Frequently asked questions
What is an ampere?
An ampere is the SI unit of electric current. Its symbol is A, and it is often shortened to amp.
Is an amp the same as an ampere?
Yes. Amp is the everyday short form of ampere.
Who was the ampere named after?
It is named after the French physicist André-Marie Ampère, who lived from 1775 to 1836.
What is the meaning of ampere?
"ampere" (noun) means the SI base unit of electric current, symbol A, often called an amp in everyday speech.
