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spark |
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spark, in electricity: see arc arc, in electricity, highly luminous and intensely hot discharge of electricity between two electrodes. The arc was discovered early in the 19th cent. by the English scientist Sir Humphry Davy, who so named it because of its shape.
..... Click the link for more information. . spark 1. a. a momentary flash of light accompanied by a sharp crackling noise, produced by a sudden electrical discharge through the air or some other insulating medium between two points b. the electrical discharge itself c. (as modifier): a spark gap 2. a small piece of diamond, as used in the cutting of glass Spark Dame Muriel (Sarah). born 1918, British novelist and writer; her novels include Memento Mori (1959), The Prime of Miss Jean Brodie (1961), The Takeover (1976), A Far Cry from Kensington (1988), Symposium (1990), and The Finishing School (2004) spark [spärk] (electricity) A short-duration electric discharge due to a sudden breakdown of air or some other dielectric material separating two terminals, accompanied by a momentary flash of light. Also known as electric spark; spark discharge; sparkover.
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