motograph

Fetched 2026-10-26 (cache).

Synonyms: monograph, rotograph, photograph, holograph, homograph, nomograph, topograph, autograph, tomograph, sonograph, orograph

Antonyms: monograph, rotograph, photograph, holograph, homograph, nomograph, topograph, autograph, tomograph, sonograph, orograph

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|historical}} 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 [[diminish]]ed by the [[passage]] of a [[current]] between the point and the moving surface.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.