Ampere

//ˈæmˌpɪəɹ// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A

    "Definition: The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 x 10⁻¹⁹ when expressed in the unit C, which is equal to A s, where the second is defined in terms of Δν_(Cs). (The International Bureau of Weights and Measures)"

  2. 2
    the basic unit of electric current adopted under the Systeme International d'Unites wordnet
  3. 3
    a former unit of electric current (slightly smaller than the SI ampere) wordnet

Example

More examples

"Ampere per meter is the SI unit of magnetic field strength. Its symbol is A/m."

Etymology

Named after French physicist André-Marie Ampère (1775–1836).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.