different between pantograph vs dewire

English

Alternative forms

• pentegraph (archaic)

Etymology

From French pantographe, from panto- (from Ancient Greek ?????? (pantós), genitive singular of ??? (pân, “all”)), and -graphe (from ??????? (gráphein, “to write”))

Pronunciation

• (UK) IPA^(key): /?pant?????f/, /?pant???af/

Noun

pantograph (plural pantographs)

1. A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.

   A pantograph can be adjusted to make either scaled or exact copies.

2. By extension, a structure of crosswise bars linked in such a way that it can extend and compress like an accordion, such as in a pantograph mirror or a scissor lift.
3. A pattern printed on a document to reduce the ease of photocopying.

   I was impressed by the quality of the pantograph; I hadn't noticed it on the original, but the copies were covered in unpleasant lines.

4. (rail transport) A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.

Derived terms

• pantographer

Related terms

• bow collector
• trolley pole

Translations

Further reading

• pantograph on Wikipedia.Wikipedia
• Pantograph (rail) on Wikipedia.Wikipedia
• Pantographs on Wikimedia Commons.Wikimedia Commons

Verb

pantograph (third-person singular simple present pantographs, present participle pantographing, simple past and past participle pantographed)

1. To engrave by means of a pantograph (parallel linkage) system.

Further reading

• https://web.archive.org/web/20071030212926/http://glossary.ippaper.com/default.asp?req=knowledge%2Farticle%2F243

English

Etymology

de- +? wire

Pronunciation

• (UK) IPA^(key): /?di?.wa??(?)/

Verb

dewire (third-person singular simple present dewires, present participle dewiring, simple past and past participle dewired)

1. (of a train, tram or trolleybus, usually intransitive) for the pantograph or trolley pole, etc to become unintentionally detached from or entangled with the overhead lines such that the power to the vehicle is lost.
2. To remove wires from something; to dismantle a system of overhead lines.

Antonyms

• wire, rewire

Derived terms

• dewirement

Anagrams

• dewier, weired