单词 | dichroous |
释义 | † dichroousadj. Chiefly Chemistry. Obsolete. = dichroic adj. ΘΚΠ the world > matter > colour > variegation > [adjective] > two colours dichroitic1822 dichromatica1830 dichroic1849 dichroous1856 dichromic1860 dichroistic1877 bicolour1889 two-toned1897 twi-coloured1903 two-tone1906 bichrome1929 duotone1934 1856 London & Edinb. Philos. Mag. & Jrnl. Sci. Mar. 243 Let the object be a dichroöus crystal and let equal thicknesses of its substance be investigated. 1871 Amer. Chemist 2 18/2 The oil oozed out in pits dug in the soil and floated on the surface of the water as a dark green dichroous oil of high density. 1885 Pharmacist 19 123 The ethereal solution is dichroous, being by direct light of a beautiful emerald green, and by reflected light of a fine red color. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online September 2021). < |
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