Eudiometer EUDIOM'ETER, n. [Gr. serene, and Jove, air, and measure.]
An instrument for ascertaining the purity of the air, or the quantity
of oxygen it contains.
eudiometer nounEtymology: modification of Italian eudiometro, from Greek
eudia fair weather (from eu- + -dia weather—akin
to Latin dies day) + Italian -metro -meter, from Greek
metron measure Date: 1777
an instrument for the volumetric measurement and analysis of gases •
eudiometricadjective • eudiometricallyadverb
eudiometer n. Chem. a graduated glass tube in which gases may be chemically combined by an electric spark, used to measure changes in volume of gases during chemical
reactions. Derivatives: eudiometric adj. eudiometrical adj. eudiometry n. Etymology: Gk eudios clear (weather): orig. used to measure the amount of oxygen, thought to be
greater in clear air
eudiometer
ˌju:dɪˈɔmɪtə n. Chem. a graduated glass tube in which gases
may be chemically combined by an electric spark, used to measure changes in
volume of gases during chemical reactions. øøeudiometric adj. eudiometrical
adj. eudiometry n. [Gk eudios clear (weather): orig. used to measure the
amount of oxygen, thought to be greater in clear air]
Eudiometer \Eu`di*om"e*ter\, n. [Gr. ? fair, clear weather, fr.
? fine, clear ( said of the air or weather) + -meter: cf. F.
ediom[`e]tre.] (Chem.)
An instrument for the volumetric measurement of gases; -- so
named because frequently used to determine the purity of the
air.
Note: It usually consists of a finely graduated and
calibrated glass tube, open at one end, the bottom; and
having near the top a pair of platinum wires fused in,
to allow the passage of an electric spark, as the
process involves the explosion and combustion of one of
the ingredients to be determined. The operation is
conducted in a trough of mercury, or sometimes over
water. Cf. Burette. Ure's eudiometer has the tube
bent in the form of the letter. U.
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