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1. A letter that's always written in haste.
2. The alpha of the alphabet.
3. Something present in each day, yet absent from every morning, noon, and night.
—Evan Esar
This entry is located in the following unit: Definitions in Deviant and Comical Format (page 1)
a, an: Grammatical Articles
Confusion exists about usage of "a" and "an" in front of other words; in this unit.
ampere, A, amp
1. The basic unit of electric current in the meter-kilogram-second system; equivalent to one coulomb per second.
2. A unit of electrical current or rate of flow of electrons.

One volt across one ohm of resistance causes a current flow of one ampere.