• synonyms


noun Chemistry.
  1. a graduated glass measuring tube for gas analysis.
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Origin of eudiometer

1770–80; < Greek eúdio(s) clear, mild (literally, well skied, equivalent to eu- eu- + di-, stem of Zeus god of the sky + -os adj. suffix) + -meter
Related formseu·di·o·met·ric [yoo-dee-uh-me-trik] /ˌyu di əˈmɛ trɪk/, eu·di·o·met·ri·cal, adjectiveeu·di·o·met·ri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for eudiometer

Historical Examples

  • The eudiometer that I have lately employed gives, in a few minutes, the proportions of oxygen without correction.

    The Life of Sir Humphrey Davy, Bart. LL.D., Volume 1 (of 2)

    John Ayrton Paris

  • A bubble or two of oxygen is now passed into the eudiometer; if nitric oxide is present, red fumes at once develop.

  • The exact details for the preparation of eudiometer tubes are given by Faraday (Chemical Manipulation, § 1200).

    On Laboratory Arts

    Richard Threlfall

  • The combination of the two gases is brought about in a tube called a eudiometer.

  • A eudiometer tube is filled with mercury and inverted in a vessel of the same liquid.

British Dictionary definitions for eudiometer


  1. a graduated glass tube used in the study and volumetric analysis of gas reactions
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Derived Formseudiometric (ˌjuːdɪəˈmɛtrɪk) or eudiometrical, adjectiveeudiometrically, adverbeudiometry, noun

Word Origin

C18: from Greek eudios, literally: clear skied (from eu- + Dios, genitive of Zeus god of the heavens) + -meter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012