chromatometer
(krəʊməˈtɒmɪtə(r))
[f. chromato- + -meter.]
A measure or scale of colours.
| 1835 Henslow Descr. & Phys. Bot. 200 These may be arranged in a diagram termed a Chromatometer. 1858 Whewell Hist. Sc. Ideas I. 341 (L.) And thus..the prismatic spectrum of sunlight became, for certain purposes, an exact chromatometer. |