diffusiometern.

Brit.

/dᵻˌfjuːzɪˈɒmᵻtə/, U.S.

/dᵻˌfjuziˈɑmədər/

Origin: A borrowing from German. Etymon: German Diffusiometer.

Etymology: < German Diffusiometer (1857 in the passage translated in quot. 1857) < diffusio- (in Diffusion diffusion n.) + -meter -meter comb. form².

Science.

An apparatus for measuring rates of diffusion (diffusion n. 5).

ΘΚΠ

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

aerometer1670

manometer1730

eudiometer1777

anthracometer1799

carbonometer1844

diffusiometer1857

diffusimeter1887

katharometer1917

1857 H. E. Roscoe tr. R. Bunsen Gasometry 199 In researches upon diffusion we must therefore especially guard against the disturbing influence of unequal pressure. In order to be able to fulfil these conditions for gases, whose volumes are undergoing continual alteration, we may employ an instrument called the diffusiometer [Ger. des Diffusiometers].

1866 T. Graham in Philos. Trans. (Royal Soc.) 156 400 The diffusiometer, consisting of a plain glass tube..closed at the upper end by a thin plate of stucco, and open below.

1957 Philos. Trans. (Royal Soc.) A. 250 17 Further diffusion studies were carried out in a Gouy interference diffusiometer.

2013 Fluid Phase Equilibria 356 49/1 A typical diffusion experiment using the Gosting diffusiometer starts from preparing a sharp boundary between two uniform solutions of slightly different solute concentrations..inside a vertical channel.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022).

单词	diffusiometer
释义	diffusiometern. Brit. /dᵻˌfjuːzɪˈɒmᵻtə/, U.S. /dᵻˌfjuziˈɑmədər/ Origin: A borrowing from German. Etymon: German Diffusiometer. Etymology: < German Diffusiometer (1857 in the passage translated in quot. 1857) < diffusio- (in Diffusion diffusion n.) + -meter -meter comb. form². Science. An apparatus for measuring rates of diffusion (diffusion n. 5). ΘΚΠ the world > matter > gas > [noun] > measurement of specific properties of > instruments for aerometer1670 manometer1730 eudiometer1777 anthracometer1799 carbonometer1844 diffusiometer1857 diffusimeter1887 katharometer1917 1857 H. E. Roscoe tr. R. Bunsen Gasometry 199 In researches upon diffusion we must therefore especially guard against the disturbing influence of unequal pressure. In order to be able to fulfil these conditions for gases, whose volumes are undergoing continual alteration, we may employ an instrument called the diffusiometer [Ger. des Diffusiometers]. 1866 T. Graham in Philos. Trans. (Royal Soc.) 156 400 The diffusiometer, consisting of a plain glass tube..closed at the upper end by a thin plate of stucco, and open below. 1957 Philos. Trans. (Royal Soc.) A. 250 17 Further diffusion studies were carried out in a Gouy interference diffusiometer. 2013 Fluid Phase Equilibria 356 49/1 A typical diffusion experiment using the Gosting diffusiometer starts from preparing a sharp boundary between two uniform solutions of slightly different solute concentrations..inside a vertical channel. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). < n.1857
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