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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Vol·ta·ic a.
 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.
 2. Of or pertaining to voltaism, or voltaic electricity; as, voltaic induction; the voltaic arc.
 Note:See the Note under Galvanism.
 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.
 

From: Webster's Revised Unabridged Dictionary (1913)

 Cou·ple n.
 1. That which joins or links two things together; a bond or tie; a coupler. [Obs.]
    It is in some sort with friends as it is with dogs in couples; they should be of the same size and humor.   --L'Estrange.
    I'll go in couples with her.   --Shak.
 2. Two of the same kind connected or considered together; a pair; a brace. “A couple of shepherds.”  --Sir P. Sidney.  “A couple of drops” --Addison.  “A couple of miles.” --Dickens. “A couple of weeks.” --Carlyle.
    Adding one to one we have the complex idea of a couple.   --Locke.
    [Ziba] met him with a couple of asses saddled.   --2 Sam. xvi. 1.
 3. A male and female associated together; esp., a man and woman who are married or betrothed.
    Such were our couple, man and wife.   --Lloyd.
    Fair couple linked in happy, nuptial league.   --Milton.
 4. Arch. See Couple-close.
 5. Elec. One of the pairs of plates of two metals which compose a voltaic battery; -- called a voltaic couple or galvanic couple.
 6. Mech. Two rotations, movements, etc., which are equal in amount but opposite in direction, and acting along parallel lines or around parallel axes.
 Note:The effect of a couple of forces is to produce a rotation. A couple of rotations is equivalent to a motion of translation.