motographs

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A form of motograph — 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 18

Meanings

noun
  1. pluralplural of motograph
Cite this entry
APA

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

MLA

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

Chicago

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

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