单词 | pantograph |
释义 | pantograph —pantographer /pan tog"reuh feuhr/, n. —pantographic /pan'teuh graf"ik/, pantographical, adj. —pantographically, adv. —pantography, n. /pan"teuh graf', -grahf'/, n. 1. Also, pantagraph. an instrument for the mechanical copying of plans, diagrams, etc., on any desired scale. 2. Elect. a device usually consisting of two parallel, hinged, double-diamond frames, for transferring current from an overhead wire to a vehicle, as a trolley car or electric locomotive. [1715-25; PANTO- + -GRAPH] |
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