electroscope

名词 n.

英文释义

名词 n.
  1. a simple device that detects the presence of an electric charge by the mutual repulsion of metal foils or pith balls

词形变化

electroscopes plural

词源

Etymology tree
French électro-bor.
Ancient Greek ἤλεκτρον (ḗlektron)bor.
Latin ēlectrum
Latin electro-bor.
English electro-
Proto-Indo-European *speḱ-
Proto-Indo-European *-yeti
Proto-Indo-European *spéḱyeti
Proto-Hellenic *sképťomai
Ancient Greek σκέπτομαι (sképtomai)
Proto-Indo-European *-ós
Proto-Hellenic *-ós

Ancient Greek -ος (-os)influ.
Ancient Greek -ός (-ós)
Ancient Greek σκοπός (skopós)
Proto-Indo-European *-eti
Proto-Indo-European *-eyéti
Proto-Indo-European *-esyéti
Proto-Indo-European *-éh₁ti
Proto-Indo-European *-yeti
Proto-Indo-European *-éh₁yeti
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Ancient Greek -έω (-éō)
Ancient Greek σκοπέω (skopéō)der.
English -scope
English electroscope
From electro- + -scope.
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