| slovo | definícia |
Voltaic arc
(gcide) | Voltaic \Vol*ta"ic\, a. [Cf. F. volta["i]que, It. voltaico.]
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1. Of or pertaining to Alessandro Volta, who first devised
apparatus for developing electric currents by chemical
action, and established this branch of electric science;
discovered by Volta; as, voltaic electricity.
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2. Of or pertaining to voltaism, or voltaic electricity; as,
voltaic induction; the voltaic arc.
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Note: See the Note under Galvanism.
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Voltaic arc, a luminous arc, of intense brilliancy, formed
between carbon points as electrodes by the passage of a
powerful voltaic current.
Voltaic battery, an apparatus variously constructed,
consisting of a series of plates or pieces of dissimilar
metals, as copper and zinc, arranged in pairs, and
subjected to the action of a saline or acid solution, by
which a current of electricity is generated whenever the
two poles, or ends of the series, are connected by a
conductor; a galvanic battery. See Battery, 4.
(b), and Note.
Voltaic circuit. See under Circuit.
Voltaic couple or Voltaic element, a single pair of the
connected plates of a battery.
Voltaic electricity. See the Note under Electricity.
Voltaic pile, a kind of voltaic battery consisting of
alternate disks of dissimilar metals, separated by
moistened cloth or paper. See 5th Pile.
Voltaic protection of metals, the protection of a metal
exposed to the corrosive action of sea water, saline or
acid liquids, or the like, by associating it with a metal
which is positive to it, as when iron is galvanized, or
coated with zinc.
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Voltaic arc
(gcide) | Arc \Arc\, n. [F. arc, L. arcus bow, arc. See Arch, n.]
1. (Geom.) A portion of a curved line; as, the arc of a
circle or of an ellipse.
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2. A curvature in the shape of a circular arc or an arch; as,
the colored arc (the rainbow); the arc of Hadley's
quadrant.
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3. An arch. [Obs.]
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Statues and trophies, and triumphal arcs. --Milton.
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4. The apparent arc described, above or below the horizon, by
the sun or other celestial body. The diurnal arc is
described during the daytime, the nocturnal arc during the
night.
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Electric arc, Voltaic arc. See under Voltaic.
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