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graphometerGRAPHOM'ETER, n. [Gr. to describe, measure.] A mathematical instrument, called also a semicircle, whose use is to observe any angle whose vertex is at the center of the instrument in any plane, and to find how many degrees it contains. |
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graphometerGRAPHOM'ETER, n. [Gr. to describe, measure.] A mathematical instrument, called also a semicircle, whose use is to observe any angle whose vertex is at the center of the instrument in any plane, and to find how many degrees it contains. |