American Heritage® Dictionary of the English Language, Fourth Edition
- n. A unit of electric current in the meter-kilogram-second system. It is the steady current that when flowing in straight parallel wires of infinite length and negligible cross section, separated by a distance of one meter in free space, produces a force between the wires of 2 × 10-7 newtons per meter of length.
- n. A unit in the International System specified as one International coulomb per second and equal to 0.999835 ampere. See Table at measurement.
Century Dictionary and Cyclopedia
- n. The unit employed in measuring the strength of an electrical current. It is the current which flows through a conductor whose resistance is one ohm, and between the two ends of which the unit difference of potentials, one volt, is maintained.
- n. A unit of electrical current, the standard base unit in the International System of Units. Abbreviation: amp, Symbol: A
- n. a former unit of electric current (slightly smaller than the SI ampere)
- n. the basic unit of electric current adopted under the Systeme International d'Unites
- Named after the French physicist André-Marie Ampère. (Wiktionary)
- After André Marie Ampère. (American Heritage® Dictionary of the English Language, Fourth Edition)
“The ampere is the unit of electric current in the International System of Units (SI).”
“The unit of current intensity is called ampere = A in honour of the French physicist Marie Andr Ampre (1775 - 1836).”
“Dr. Phillips and other mandarins of metrology were gathered at Britain's Royal Society to debate an urgent question in the science of measurement — how to re-define the basic unit of mass, as well as other measurements such as the second, ampere, kelvin and mole.”
“This redefinition would bring the kilogram into line with the six other base units that make up the International System of Units SI – the metre, the second, the ampere, the kelvin, the mole and the candela.”
“Electric eels are capable of producing a shockof up to 500 volts and 1 ampere of current (500 watts).”
“I guess Hohm sounds better than Holt (home and volt), Hampere (home and ampere), Hurrent (home and current), or Hatt (home and watt).”
“Suitable for home, office, or high school, the Cage aux Folles will increase the productivity of your abilityless employees or students faster than you can say ampere.”
“Althouse and pals use "Henry" to mean a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second.”
“On our way back to the pension we stumbled upon a music festival in an ampere theater.”
“The power which is exchanged between reactive elements (inductors and capacitors) is called reactive power, Q, and is measured in vars (volt-ampere-reactive) or kilovars.”
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