Definition of eudiometer in English:

eudiometer

noun

Chemistry
  • A graduated glass tube in which mixtures of gases can be made to react by an electric spark, used to measure changes in volume of gases during chemical reactions.

    • ‘Only some of his inventions are discussed (not the eudiometer or the electrical pistol), and almost no room is dedicated to Volta's nonelectrical studies.’

Pronunciation

eudiometer

/ˌyo͞odēˈämədər/ /ˌjudiˈɑmədər/

Origin

Late 18th century (denoting an instrument used to measure amounts of oxygen, thought to be greater in fine weather): from Greek eudios ‘clear, fine’ (weather), from eu ‘well’ + dios ‘heavenly’.