| abamp |
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noun
- (alternative spelling of, abampere)
| | | abampere |
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noun - Unit of electrical current in electromagnetic and Gaussian cgs systems of units, equal to 10 amperes in SI units.
| | abcoulomb |
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noun
- a unit of electromagnetic charge equal to ten coulombs
| | AC |
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initialism
- (electrical) alternating current, Alternating Current
- (electrical): often used to indicate an alternating potential rather than a current, as in 110V AC.
- Air Conditioning, usually: A/C
- as charged, as in: guilty as charged, usually: a/c
- Area Code
- all clear, as in button on electronic calculator
- (internet slang) audible chuckle
- (set theory) axiom of choice
| | admittance |
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noun
- The act of admitting.
- Permission to enter; the power or right of entrance; also, actual entrance; reception.
- The act of giving possession of a copyhold estate.
- (physics) The reciprocal of impedance
| | Age |
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noun
- Formal use of the word age, indicating the name of a specific era.
| | Ah |
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abbreviation
- ampere-hour (unit of charge).
| | alive |
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adjective
- 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.
- In a state of action; in force or operation; unextinguished; unexpired; existent; as, to keep the fire alive; to keep the affections alive.
- 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.
- sprightly, Sprightly; lively; brisk.
- Having susceptibility; easily impressed; having lively feelings, as opposed to apathy; sensitive.
- Tremblingly to nature's laws. --Falconer.
- 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 |
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noun
- That which alternates with something else; vicissitude.
- Grateful alternates of substantial. -Prior
- (Misuse) A substitute; an alternative; one designated to take the place of another, if necessary, in performing some duty.
- (math) A proportion derived from another proportion by interchanging the means.
- A replacement of equal or greater value or function.
- (heraldry) figure, Figures or tinctures that succeed each other by turns.
verb (alternat, ing)
- (transitive) To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.
- (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.
- (intransitive) To vary by turns; as, the land alternates between rocky hills and sandy plains.
adjective
- 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
- (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.
- other, Other; or as common misuse when meaning alternative.
- (botany) Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects angular divergence. --Gray.
| | alternating current |
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noun (abbreviated as AC)
- 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 |
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noun
- 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.
- (Mathematics) Permutation.
- The response of the congregation speaking alternately with the minister.
| | alternator |
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noun
- An electric generator which produces alternating current.
| | ammeter |
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noun
- A device that measures the magnitude of an electric current, especially one calibrated in amperes
| | amperage |
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noun
- The electric current's strength carried by a conductor or machine generated as measured by amperes.
| | ampere |
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noun (plural amperes)
- 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 |
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noun
- (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 |
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noun
- the unit of magnetomotive force
| | | amplification |
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noun
- the act, or result of amplifying, enlarging, extending or adding to
- (physics) the act, or result of independently increasing some quantity, especially voltage, power or current
- (electronics) gain
- (genetics) using the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA
| | amplify |
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verb (amplif, i, ed)
- (transitive) To render larger, more extended, or more intense, and the like;—used especially of loudspeakers, telescopes, microscopes, etc.
- (context, transitive, rhetorical) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.
- (transitive) To increase the amplitude of something, especially of an electric current.
| | amplitude |
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noun
- the measure of something's size; magnitude
- (mathematics) the maximum absolute value of the vertical component of a periodic curve
- (physics) the maximum absolute value of some quantity that varies periodically
| | anode |
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noun - the electrode of an electrochemical cell at which oxidation occurs
- the positive terminal of an electrolytic cell
- the negative terminal of a galvanic cell
| | antenna |
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noun (antennae, pl2=antennas)
- (i, plural: antennae) A feeler organ on the head of an insect, crab, or other animal.
- (i, plural: antennas) A device to receive or transmit radio-frequency signal by converting electromagnetic radiation into electrical signal.
- (i, plural: antennae) The faculty of intuitive astuteness.
| | antimagnetic |
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adjective - (physics) unable to be magnetized; unaffected by a magnetic field
| | | autotransformer |
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noun
- a transformer with a single winding, output being taken from taps
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