1 tachygraph | Definition of tachygraph

tachygraph

noun
tachy·​graph | \ ˈtakə̇ˌgraf, -rȧf\

Definition of tachygraph

2 : a tachygraphic writing

History and Etymology for tachygraph

French tachygraphe, from Greek tachygraphos, from tachy- + -graphos (from graphein to write)

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