harmonograph

harmonograph

English

Etymology

Etymology tree
English harmony
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
Proto-Indo-European *gerbʰ-
Proto-Hellenic *grə́pʰō
Ancient Greek γράφω (gráphō)
Ancient Greek -γρᾰ́φος (-grắphos)der.
English -graph
English harmonograph

    From harmony + -o- + -graph.

    Noun

    harmonograph (plural harmonographs)

    1. A mechanical device that uses a combination of pendulums to generate an image based on Lissajous curves.

    Translations

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