| 单词 |
colorimeter |
| 释义 |
colorimeter|kɒlə-, kʌləˈrɪmɪtə(r)|
[f. L. colōr-em colour + -meter, Gr. µέτρον measure: cf. F. colorimètre.]
An instrument for measuring intensity of colour.
1863–72Watts Dict. Chem., Colorimeter, an instrument for measuring the depth of colour in a liquid by comparison with a standard liquid of the same tint. 1883Sidereal Messenger II. 194 Observations made..with the Zollner photometer and colorimeter. 1936Nature 23 May 862/1 The introduction of the various forms of rectifier photo-electric cell has certainly simplified many problems in the use of instruments such as colorimeters (chemical type). 1957Technology July 188/4 The [automatic blood] analyser uses a photoelectric colorimeter which compares the colour of the chemically treated sample with a standard of known composition; the photocell registers the difference in colour.
Hence coloriˈmetric, -ˈmetrical a., of or pertaining to a colorimeter, or to coloˈrimetry, (also colourimetry) the measurement of the intensity of colour.
1881Athenæum 26 Nov. 706/1 Spectroscopic and colorimetric observations of fixed stars and planets. 1881Nature XXV. 46 Colorimetrical methods are not sensitive enough. 1889Cent. Dict. Colorimetry. 1923Glazebrook Dict. Appl. Physics IV. 738/1 The sciences of spectrophotometry and colourimetry are inseparably connected. 1957V. J. Kehoe Film & T.V. Make-up viii. 97 To maintain the white balance and the correct colorimetry in a three-gun color tube system. |
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