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单词 nephelometry
释义

nephelometryn.

Brit. /ˌnɛfəˈlɒmᵻtri/, U.S. /ˌnɛfəˈlɑmətri/
Origin: Formed within English, by compounding. Etymons: nephelo- comb. form, -metry comb. form.
Etymology: < nephelo- comb. form + -metry comb. form. Compare slightly later nephelometer n.
Chemistry.
Measurement of the turbidity of a liquid or gas, spec. by the use of a nephelometer.
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nephelometry1876
1876 T. P. Blunt in Chem. News 7 Jan. 7/2 It would appear that the usefulness of colorimetry, and also of judgment by turbidity, which may provisionally be termed ‘nephelometry’, might be widely extended.
1906 Amer. Chem. Jrnl. 35 113 In order to save the time of those attempting nephelometry, the precautions for several typical cases are here collected.
1929 J. H. Yoe Photometric Chem. Anal. II. iii. 18 When colorimetry or nephelometry is used at all, in routine analytical work or in research problems, it is apt to be used almost continuously.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IX. 40/1 The advantage of nephelometry [over turbidimetry] is its greater sensitivity, accuracy, and precision in the determination of small amounts of turbidity.
1989 Internat. Jrnl. Epidemiol. 18 356 The Stone–Thorp nephelometry method..was used to estimate plasma fibrinogen levels.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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