| 单词 | chromatic dispersion |
| 释义 | > as lemmaschromatic dispersion b. chromatic aberration: the non-convergence of the different coloured constituents of white light to one focus, when refracted through a lens (see aberration n. 3); also called chromatic dispersion. chromatic function: see quot. 18811. chromatic printing: printing from blocks or types inked with various colours. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > chromatism > [noun] chromatic dispersion1831 chromatism1854 1831 D. Brewster Treat. Optics ix. §66. 80 The extreme red rays..will be found to have their focus in R..the extreme violet rays..will be refracted to a focus V much nearer the lens..The distance VR is called the chromatic aberration. 1837 C. R. Goring & A. Pritchard Micrographia 177 The second defect, chromatic dispersion, arising from the unequal refrangibility of the light. 1881 K. Semper Animal Life 91 Pouchet applied the term chromatic function to that adaptation of colour to the surroundings of the creature which is indirectly the result of sight. 1881 W. B. Carpenter Microscope i. 13 The Chromatic error is scarcely perceptible. < as lemmas |
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