| 释义 |
Definition of pantograph in English: pantographnoun ˈpantəɡrɑːfˈpæn(t)əˌɡræf 1An instrument for copying a plan or drawing on a different scale by a system of hinged and jointed rods. Example sentencesExamples - The pantograph was a movable parallelogram that could be mounted on a drawing board or stationed atop a table, as in the frontispiece to Scheiner's Pantographice.
- Shortly before dusk, he arrived at the Maryland State House clutching two homemade drawing instruments, a simplified camera obscura and a modified pantograph.
- During this same period, the invention of the pantograph made it possible to create large and sometimes elaborate display letters.
- Wallace also invented the pantograph, an instrument for duplicating a geometric shape at a reduced or enlarged scale.
2A jointed framework conveying a current to a train, tram, or other electric vehicle from overhead wires. Example sentencesExamples - It will have a roof-mounted pantograph for use between Gare Centrale and wherever the terminus in Samoa will be.
- I was fairly late to work as the train fell apart this morning - the pantographs on the top fell down.
- The electric part is that it uses a pantograph or roof mounted current collector to pick up electricity from the overhead catenary or wires.
- Currently in the open air, and unprotected from the tropical atmosphere, are four abandoned diesel electric locomotives, an oil tanker wagon, a steam crane and a General Electric pantograph power unit from 1924.
- The pantograph feeds the electricity from the overhead supply to the train.
Derivatives adjective pantəˈɡrafɪk Type produced by pantographic reproduction (scaling a master drawing to many different sizes), and the later technologies of photocomposition and digital type, allowed working from a single master design regardless of the size of the final application. Example sentencesExamples - These artists - St-Gaudens, Weinman, Fraser, MacNeil, de Francisci - created oversize models which were pantographically reduced.
Origin Early 18th century: from panto- 'all, universal' + Greek -graphos 'writing'. Definition of pantograph in US English: pantographnounˈpæn(t)əˌɡræfˈpan(t)əˌɡraf 1An instrument for copying a drawing or plan on a different scale by a system of hinged and jointed rods. Example sentencesExamples - The pantograph was a movable parallelogram that could be mounted on a drawing board or stationed atop a table, as in the frontispiece to Scheiner's Pantographice.
- Wallace also invented the pantograph, an instrument for duplicating a geometric shape at a reduced or enlarged scale.
- During this same period, the invention of the pantograph made it possible to create large and sometimes elaborate display letters.
- Shortly before dusk, he arrived at the Maryland State House clutching two homemade drawing instruments, a simplified camera obscura and a modified pantograph.
2A jointed framework conveying a current to a train, streetcar, or other electric vehicle from overhead wires. Example sentencesExamples - The pantograph feeds the electricity from the overhead supply to the train.
- Currently in the open air, and unprotected from the tropical atmosphere, are four abandoned diesel electric locomotives, an oil tanker wagon, a steam crane and a General Electric pantograph power unit from 1924.
- I was fairly late to work as the train fell apart this morning - the pantographs on the top fell down.
- It will have a roof-mounted pantograph for use between Gare Centrale and wherever the terminus in Samoa will be.
- The electric part is that it uses a pantograph or roof mounted current collector to pick up electricity from the overhead catenary or wires.
Origin Early 18th century: from panto- ‘all, universal’ + Greek -graphos ‘writing’. |