Etymology

eudiometer

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Today it means: A graduated glass tube, closed at one end, that is used for measuring the change in the volume of gases during a chemical reaction. Full definition →

Ancient Greek εὔδιος
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The story

  1. Ancient Greek · derived fromεὔδιος“clear (weather)”
  2. English todayeudiometer

From Ancient Greek εὔδιος (eúdios, “clear (weather)”) + -meter.

Etymology from Wiktionary, CC BY-SA 4.0.