eudiometer

English

Etymology

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

Noun

eudiometer (plural eudiometers)

  1. A graduated glass tube, closed at one end, that is used for measuring the change in the volume of gases during a chemical reaction.
    • 1780, Philip Thicknesse, The Valetudinarian's Bath Guide:
      The same ingenious gentleman has also invented some Eudiometers, or instruments, to ascertain with the greatest accuracy, the salubrity of the air.

Translations
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