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motograph

noun

A device used in the making of a loud-speaking telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface.

Scrabble 17

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Meanings

nounmotograph (plural motographs)

plural motographs

historicalA device used in the making of a loud-speaking telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface.

Origin

From moto- + -graph.

Full word history & related roots →

Rhymes & wordplay

Anagrams

tomograph photogram

Cite this entry

APA

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

MLA

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

Chicago

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

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