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- DictionaryAm·pere/ˈamˌpir/
noun
- 1. the SI base unit of electrical current.
noun
The ampere, often shortened to amp, is the unit of electric current in the International System of Units (SI). One ampere is equal to 1 coulomb (C) moving past a point per second. It is named after French mathematician and physicist André-Marie Ampère (1775–1836), considered the father of electromagnetism along with Danish physicist Hans Christian Ørsted. Wikipedia