eudiometern.

/juːdɪˈɒmɪtə/

Etymology: < Greek εὔδιος clear (weather) ( < εὐ- eu- comb. form + διϝ- stem of Ζεύς, Διός the god of the sky and the atmosphere) + -meter comb. form². Compare French eudiomètre (1775; eudiométrie1790).

An instrument for testing the purity of the air, or rather the quantity of oxygen it contains.Various kinds have been in use, but the commonest is that invented by Dr. Ure, consisting of a tube closed at one end, in which certain quantities of hydrogen and atmospheric air are exploded over water by an electric spark. From the rise of the water in the tube inferences are drawn as to the amount of oxygen that was present. The apparatus is also, and now chiefly, employed in the analysis of gases.

ΘΚΠ

the world > matter > gas > [noun] > measurement of specific properties of > instruments for

aerometer1670

manometer1730

eudiometer1777

anthracometer1799

carbonometer1844

diffusiometer1857

diffusimeter1887

katharometer1917

the world > matter > gas > air > [noun] > air in any specific place or at specific time > measurement of specific quality of air > instruments for measuring specific qualities

eudiometer1777

oximeter1803

ozonometer1851

ozonoscope1872

sepometer1876

koniscope1892

formenophone1894

konimeter1918

Tyndallmeter1919

1777 J. J. de Magalhães (title) Description of a glass apparatus for making mineral waters... Together with the description of some new eudiometers.

1789 A. Young Jrnl. 1 Aug. in Trav. France (1792) i. 153 He has a large course of eudiometrical experiments going on at present, particularly with Fontana's and Volta's eudiometers.

1807 S. Pepys Eudiometer in Philos. Trans. (Royal Soc.) 97 249 Known quantities of the air to be tried, and of nitrous gas being mixed, were admitted..into a graduated tube, which he [Priestley] denominated a eudiometer.

1825 M. Faraday Exper. Res. xxx. 161 Seven volumes of this mixture were detonated in a eudiometer tube by an electric spark.

1877 C. W. Thomson Voy. ‘Challenger’ I. i. 28 The eudiometer has the legs of glass united by an india-rubber tube of suitable length.

Derivatives

eudioˈmetric adj. of, pertaining to, or requiring the use of the eudiometer or eudiometry.

ΘΚΠ

the world > matter > gas > [adjective] > relating to or made with specific instrument

manometrical1778

eudiometrical1789

eudiometric1854

manometric flame1873

manometric1898

the world > matter > chemistry > chemical assay or analytical chemistry > [adjective] > of specific types > of or relating to analysis of gases or air

eudiometrical1789

eudiometric1854

gasometric1857

oximetric1876

1854 J. Scoffern in Orr's Circle Sci., Chem. Chem. 321 The analysis..may be..effected by the eudiometric method.

1859 Todd's Cycl. Anat. & Physiol. V. 378/1 The eudiometric researches of a number of observers.

eudioˈmetrical adj. = eudiometric adj.

ΘΚΠ

the world > matter > gas > [adjective] > relating to or made with specific instrument

manometrical1778

eudiometrical1789

eudiometric1854

manometric flame1873

manometric1898

the world > matter > chemistry > chemical assay or analytical chemistry > [adjective] > of specific types > of or relating to analysis of gases or air

eudiometrical1789

eudiometric1854

gasometric1857

oximetric1876

1789Eudiometrical [see main sense].

1799 W. Jones Adams's Lect. Nat. & Exper. Philos. (ed. 2) I. xi. 495 Graduated glass tubes for eudiometrical experiments.

1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. I. v. 173 The absorption of two gases in a eudiometrical tube.

eudioˈmetrically adv. in a eudiometric way; by the use of a eudiometer.

ΘΚΠ

the world > matter > gas > [adverb] > by specific method of measuring

eudiometrically1808

manometrically1899

the world > matter > chemistry > chemical assay or analytical chemistry > [adverb] > by process of specific types of chemical analysis > relating to analysis of air

eudiometrically1808

1808 Henry in Philos. Trans. (Royal Soc.) 98 290 After trying, eudiometrically, the quality of an aliquot part of the gas in the receiver.

1881 W. Crookes in Nature 3 Mar. 423/1 Collecting samples [of gas] and analysing them eudiometrically.

eudiˈometry n. the art or practice of using the eudiometer either for ascertaining the purity of the air, or in the analysis of gases.

ΘΚΠ

the world > matter > gas > [noun] > measurement of specific properties of

eudiometry1806

manometry1854

1806 W. Henry Epitome Chem. (ed. 4) i. xii. 152 The application of nitrous gas to the purpose of eudiometry.

1806 W. Henry Epitome Chem. (ed. 4) i. xii. 153 To use nitrous gas accurately in eudiometry, it is only requisite to take both gases in a dilute state.

1853 W. Gregory Inorg. Chem. (ed. 3) 82 When it is required to ascertain the exact proportion of oxygen in any specimen of air..The operation is called eudiometry, and the instruments employed eudiometers.

This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).

单词	eudiometer
释义	eudiometern. /juːdɪˈɒmɪtə/ Etymology: < Greek εὔδιος clear (weather) ( < εὐ- eu- comb. form + διϝ- stem of Ζεύς, Διός the god of the sky and the atmosphere) + -meter comb. form². Compare French eudiomètre (1775; eudiométrie1790). An instrument for testing the purity of the air, or rather the quantity of oxygen it contains.Various kinds have been in use, but the commonest is that invented by Dr. Ure, consisting of a tube closed at one end, in which certain quantities of hydrogen and atmospheric air are exploded over water by an electric spark. From the rise of the water in the tube inferences are drawn as to the amount of oxygen that was present. The apparatus is also, and now chiefly, employed in the analysis of gases. ΘΚΠ the world > matter > gas > [noun] > measurement of specific properties of > instruments for aerometer1670 manometer1730 eudiometer1777 anthracometer1799 carbonometer1844 diffusiometer1857 diffusimeter1887 katharometer1917 the world > matter > gas > air > [noun] > air in any specific place or at specific time > measurement of specific quality of air > instruments for measuring specific qualities eudiometer1777 oximeter1803 ozonometer1851 ozonoscope1872 sepometer1876 koniscope1892 formenophone1894 konimeter1918 Tyndallmeter1919 1777 J. J. de Magalhães (title) Description of a glass apparatus for making mineral waters... Together with the description of some new eudiometers. 1789 A. Young Jrnl. 1 Aug. in Trav. France (1792) i. 153 He has a large course of eudiometrical experiments going on at present, particularly with Fontana's and Volta's eudiometers. 1807 S. Pepys Eudiometer in Philos. Trans. (Royal Soc.) 97 249 Known quantities of the air to be tried, and of nitrous gas being mixed, were admitted..into a graduated tube, which he [Priestley] denominated a eudiometer. 1825 M. Faraday Exper. Res. xxx. 161 Seven volumes of this mixture were detonated in a eudiometer tube by an electric spark. 1877 C. W. Thomson Voy. ‘Challenger’ I. i. 28 The eudiometer has the legs of glass united by an india-rubber tube of suitable length. Derivatives eudioˈmetric adj. of, pertaining to, or requiring the use of the eudiometer or eudiometry. ΘΚΠ the world > matter > gas > [adjective] > relating to or made with specific instrument manometrical1778 eudiometrical1789 eudiometric1854 manometric flame1873 manometric1898 the world > matter > chemistry > chemical assay or analytical chemistry > [adjective] > of specific types > of or relating to analysis of gases or air eudiometrical1789 eudiometric1854 gasometric1857 oximetric1876 1854 J. Scoffern in Orr's Circle Sci., Chem. Chem. 321 The analysis..may be..effected by the eudiometric method. 1859 Todd's Cycl. Anat. & Physiol. V. 378/1 The eudiometric researches of a number of observers. eudioˈmetrical adj. = eudiometric adj. ΘΚΠ the world > matter > gas > [adjective] > relating to or made with specific instrument manometrical1778 eudiometrical1789 eudiometric1854 manometric flame1873 manometric1898 the world > matter > chemistry > chemical assay or analytical chemistry > [adjective] > of specific types > of or relating to analysis of gases or air eudiometrical1789 eudiometric1854 gasometric1857 oximetric1876 1789Eudiometrical [see main sense]. 1799 W. Jones Adams's Lect. Nat. & Exper. Philos. (ed. 2) I. xi. 495 Graduated glass tubes for eudiometrical experiments. 1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. I. v. 173 The absorption of two gases in a eudiometrical tube. eudioˈmetrically adv. in a eudiometric way; by the use of a eudiometer. ΘΚΠ the world > matter > gas > [adverb] > by specific method of measuring eudiometrically1808 manometrically1899 the world > matter > chemistry > chemical assay or analytical chemistry > [adverb] > by process of specific types of chemical analysis > relating to analysis of air eudiometrically1808 1808 Henry in Philos. Trans. (Royal Soc.) 98 290 After trying, eudiometrically, the quality of an aliquot part of the gas in the receiver. 1881 W. Crookes in Nature 3 Mar. 423/1 Collecting samples [of gas] and analysing them eudiometrically. eudiˈometry n. the art or practice of using the eudiometer either for ascertaining the purity of the air, or in the analysis of gases. ΘΚΠ the world > matter > gas > [noun] > measurement of specific properties of eudiometry1806 manometry1854 1806 W. Henry Epitome Chem. (ed. 4) i. xii. 152 The application of nitrous gas to the purpose of eudiometry. 1806 W. Henry Epitome Chem. (ed. 4) i. xii. 153 To use nitrous gas accurately in eudiometry, it is only requisite to take both gases in a dilute state. 1853 W. Gregory Inorg. Chem. (ed. 3) 82 When it is required to ascertain the exact proportion of oxygen in any specimen of air..The operation is called eudiometry, and the instruments employed eudiometers. This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022). < n.1777
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