Ampere
/ˈæm.pɛər/noun
The SI unit of electric current.
Did you know?Ampere is named for André-Marie Ampère, whose pioneering studies helped establish electrodynamics as a real science, giving modern electricity its own unit of measurement.
Etymological Timeline
1775
French
Ampère
“The surname of André-Marie Ampère, a French physicist and mathematician”
1820s
French
ampère
“Used in scientific discussion as a proposed unit related to electric current”
Late 19th Century
English
ampere
“Adopted as a unit of electric current in electrical science”
1948
International
ampere
“Officially standardized as the SI base unit of electric current”
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