optigraph

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noun

A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.

Scrabble 17
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Meanings

nounoptigraph (plural optigraphs)

plural optigraphs

  1. A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.

Origin

Compare French opticographe.

Full word history & related roots →
Cite this entry
APA

optigraph. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/optigraph

MLA

“optigraph.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/optigraph. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “optigraph,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/optigraph.

Source: optigraph on Wiktionary, CC BY-SA 4.0.