All Words Glossary

Glossary of Electricity Terms
beginning with letter A
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abamp Tweet Definition of abamp Like Definition of abamp on Facebook
noun
  1. (alternative spelling of, abampere)
abampere Tweet Definition of abampere Like Definition of abampere on Facebook
noun
  1. Unit of electrical current in electromagnetic and Gaussian cgs systems of units, equal to 10 amperes in SI units.
abcoulomb Tweet Definition of abcoulomb Like Definition of abcoulomb on Facebook
noun
  1. a unit of electromagnetic charge equal to ten coulombs
AC Tweet Definition of AC Like Definition of AC on Facebook
initialism
  1. (electrical) alternating current, Alternating Current
  2. (electrical): often used to indicate an alternating potential rather than a current, as in 110V AC.
  3. Air Conditioning, usually: A/C
  4. as charged, as in: guilty as charged, usually: a/c
  5. Area Code
  6. all clear, as in button on electronic calculator
  7. (internet slang) audible chuckle
  8. (set theory) axiom of choice
admittance Tweet Definition of admittance Like Definition of admittance on Facebook
noun
  1. The act of admitting.
  2. Permission to enter; the power or right of entrance; also, actual entrance; reception.
  3. The act of giving possession of a copyhold estate.
  1. (physics) The reciprocal of impedance
Age Tweet Definition of Age Like Definition of Age on Facebook
noun
  1. Formal use of the word age, indicating the name of a specific era.
Ah Tweet Definition of Ah Like Definition of Ah on Facebook
abbreviation
  1. ampere-hour (unit of charge).
alive Tweet Definition of alive Like Definition of alive on Facebook
adjective
  1. Having life, in opposition to dead; living; being in a state in which the organs perform their functions; as, an animal or a plant which is alive.
  2. In a state of action; in force or operation; unextinguished; unexpired; existent; as, to keep the fire alive; to keep the affections alive.
  3. Exhibiting the activity and motion of many living beings; swarming; thronged.
The Boyne, for a quarter of a mile, was with muskets and green boughs. --Macaulay.
  1. sprightly, Sprightly; lively; brisk.
  2. Having susceptibility; easily impressed; having lively feelings, as opposed to apathy; sensitive.
Tremblingly to nature's laws. --Falconer.
  1. Of all living (by way of emphasis).
Northumberland was the proudest man . --Clarendon.
Note: Used colloquially as an intensive; as, man !
Note: Alive always follows the noun which it qualifies.
alternate Tweet Definition of alternate Like Definition of alternate on Facebook
noun
  1. That which alternates with something else; vicissitude.
Grateful alternates of substantial. -Prior
  1. (Misuse) A substitute; an alternative; one designated to take the place of another, if necessary, in performing some duty.
  2. (math) A proportion derived from another proportion by interchanging the means.
  3. A replacement of equal or greater value or function.
  4. (heraldry) figure, Figures or tinctures that succeed each other by turns.
verb (alternat, ing)
  1. (transitive) To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.
  2. (intransitive) To happen, succeed, or act by turns; to follow reciprocally in place or time;—followed by with; as, the flood and ebb tides alternate with each other.
  3. (intransitive) To vary by turns; as, the land alternates between rocky hills and sandy plains.
adjective
  1. Being or succeeding by turns; one following the other in succession of time or place; by turns first one and then the other; hence, reciprocal.
And bid passions fall and rise. -Pope
  1. (math) Designating the members in a series, which regularly intervene between the members of another series, as the odd or even numbers of the numerals; every other; every second.
the members 1, 3, 5, 7, etc.
  1. other, Other; or as common misuse when meaning alternative.
  2. (botany) Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects angular divergence. --Gray.
alternating current Tweet Definition of alternating current Like Definition of alternating current on Facebook
noun (abbreviated as AC)
  1. an electric current in which the direction of flow of the electrons reverses periodically having an average of zero, with positive and negative values (with a frequency of 50 Hz in Europe, 60 Hz in the US, 400 Hz for airport lighting, and some others); especially such a current produced by a rotating generator or alternator.
alternation Tweet Definition of alternation Like Definition of alternation on Facebook
noun
  1. The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and night, cold and heat, summer and winter, hope and fear.
  2. (Mathematics) Permutation.
  3. The response of the congregation speaking alternately with the minister.
alternator Tweet Definition of alternator Like Definition of alternator on Facebook
noun
  1. An electric generator which produces alternating current.
ammeter Tweet Definition of ammeter Like Definition of ammeter on Facebook
noun
  1. A device that measures the magnitude of an electric current, especially one calibrated in amperes
amperage Tweet Definition of amperage Like Definition of amperage on Facebook
noun
  1. The electric current's strength carried by a conductor or machine generated as measured by amperes.
ampere Tweet Definition of ampere Like Definition of ampere on Facebook
noun (pluralamperes)
  1. a unit of electrical current, the standard base unit in the International System of Units. Abbreviation: amp, Symbol: A
Definition: The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 x 10"7 newton per metre of length. (http://www.bipm.fr/en/si/base_units/ampere.html The International Bureau of Weights and Measures)
ampere-hour Tweet Definition of ampere-hour Like Definition of ampere-hour on Facebook
noun
  1. (physics) a unit of electric charge, equal to the charge transferred by a current of one ampere in one hour through a specified point in a circuit, equal to 3600 coulombs.
ampere-turn Tweet Definition of ampere-turn Like Definition of ampere-turn on Facebook
noun
  1. the unit of magnetomotive force
amplification Tweet Definition of amplification Like Definition of amplification on Facebook
noun
  1. the act, or result of amplifying, enlarging, extending or adding to
  2. (physics) the act, or result of independently increasing some quantity, especially voltage, power or current
  3. (electronics) gain
  4. (genetics) using the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA
amplify Tweet Definition of amplify Like Definition of amplify on Facebook
verb (amplif, i, ed)
  1. (transitive) To render larger, more extended, or more intense, and the like;—used especially of loudspeakers, telescopes, microscopes, etc.
  2. (context, transitive, rhetorical) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.
  3. (transitive) To increase the amplitude of something, especially of an electric current.
amplitude Tweet Definition of amplitude Like Definition of amplitude on Facebook
noun
  1. the measure of something's size; magnitude
  2. (mathematics) the maximum absolute value of the vertical component of a periodic curve
  3. (physics) the maximum absolute value of some quantity that varies periodically
anode Tweet Definition of anode Like Definition of anode on Facebook
noun
  1. the electrode of an electrochemical cell at which oxidation occurs
  2. the positive terminal of an electrolytic cell
  3. the negative terminal of a galvanic cell
antenna Tweet Definition of antenna Like Definition of antenna on Facebook
noun (antennae, pl2=antennas)
  1. (i, plural: antennae) A feeler organ on the head of an insect, crab, or other animal.
  2. (i, plural: antennas) A device to receive or transmit radio-frequency signal by converting electromagnetic radiation into electrical signal.
  3. (i, plural: antennae) The faculty of intuitive astuteness.
antimagnetic Tweet Definition of antimagnetic Like Definition of antimagnetic on Facebook
adjective
  1. (physics) unable to be magnetized; unaffected by a magnetic field
autotransformer Tweet Definition of autotransformer Like Definition of autotransformer on Facebook
noun
  1. a transformer with a single winding, output being taken from taps

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