[f. TINT sb.1 + -OMETER.] An apparatus for the exact determination of color: see quots., and cf. COLORIMETER.
1889. Daily News, 9 May, 5/7. Royal Society Soiree…. Mr. J. W. Lovibond, of Salisbury, exhibited an instrument called the Tintometer, an invention which, by means of numberless slips of coloured glasses, measures colour blindness and differences of colour vision between the two eyes.
1895. Westm. Gaz., 11 Nov., 3/1. The inventor of a tintometer has told us recently that he can account for 60,000,000 shades of colour.
1898. Allbutt’s Syst. Med., V. 433. With the tintometer … three sets of definitely graded glasses are provided.
Hence Tintometric a., of or pertaining to a tintometer; Tintometry, the use of a tintometer.
1901. Buck’s Handbk. Med. Sc., II. 58. Dark Box for Estimating Percentage of Hæmoglobin by the Tintometric Method.
1909. V. Coblentz, Man. Volumetric Anal. (ed. 2), v. 199. Determinations by comparison of the intensities of two colored solutions is known as Colorimetry or Tintometry.
