英语词汇“electrophotometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

electrophotometer n.

Brit.

/ᵻˌlɛktrə(ʊ)fə(ʊ)ˈtɒmᵻtə/

U.S.

/əˌlɛktroʊfəˈtɑmədər/

/iˌlɛktroʊfəˈtɑmədər/

[after French électrophotomètre (1850), earlier photomètre électrique (1845)] Science †(a) an electrical instrument for comparing the brightness of two light sources relative to that of an electric spark (obsolete); (b) an electrically operated photometer.

ΚΠ

1875 Amer. Cycl. XIII. 474/1 Masson's electro-photometer has the advantage of comparing lights of different colors.

1938 Science 7 Oct. 335/1 Growth is determined after incubation for 36 hours at 37°C by turbidity measurements using the Evelyn electrophotometer.

1997 Tetrahedron: Asymmetry 8 480 IR-spectra were recorded with a Perkin-Elmer electrophotometer.

单词	electrophotometer
释义	> as lemmas electrophotometer electrophotometer n. Brit. /ᵻˌlɛktrə(ʊ)fə(ʊ)ˈtɒmᵻtə/ , U.S. /əˌlɛktroʊfəˈtɑmədər/ , /iˌlɛktroʊfəˈtɑmədər/ [after French électrophotomètre (1850), earlier photomètre électrique (1845)] Science †(a) an electrical instrument for comparing the brightness of two light sources relative to that of an electric spark (obsolete); (b) an electrically operated photometer. ΚΠ 1875 Amer. Cycl. XIII. 474/1 Masson's electro-photometer has the advantage of comparing lights of different colors. 1938 Science 7 Oct. 335/1 Growth is determined after incubation for 36 hours at 37°C by turbidity measurements using the Evelyn electrophotometer. 1997 Tetrahedron: Asymmetry 8 480 IR-spectra were recorded with a Perkin-Elmer electrophotometer. extracted from electro-comb. form < as lemmas
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> as lemmas