释义 |
pantographic
pan·to·graph P0047400 (păn′tə-grăf′)n.1. An instrument for copying a plane figure to a desired scale, consisting of styluses for tracing and copying mounted on four jointed rods in the form of a parallelogram with extended sides.2. A similarly jointed framework, such as a power-collecting trolley on an electric locomotive or an extensible telephone arm. [Greek panto-, all; see pantomime + -graph.] pan′to·graph′ic adj. EncyclopediaSeepantograph |