different between pantograph vs pentagraph

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

Alternative forms

• pantograph

Noun

pentagraph (plural pentagraphs)

1. A device used in surveying composed of four flat, straight brass rules, two of which are long and are connected by a double pivot at the end to create a V shape, and two of which are short and joined by a double pivot to create another V shape pointed away from the first, with the other ends of the short rules connected at the halfway mark of the long rules, so that the entire figure creates a parallelogram.