dichroiticadj.
/ˌdʌɪkrəʊˈɪtɪk/, U.S. /ˌdaɪkroʊˈɪdɪk/ Science.
= dichroic adj.
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the world > matter > colour > variegation > [adjective] > two colours
dichroitic1822
dichromatica1830
dichroic1849
dichroous1856
dichromic1860
dichroistic1877
bicolour1889
two-toned1897
twi-coloured1903
two-tone1906
bichrome1929
duotone1934
1822 D. Brewster in Edinb. Philos. Jrnl. 6 177 A very interesting specimen of dichroitic tourmaline in the cabinet of Mr Allan, exhibits the most singular contrast of colours that I have yet found in any substance.
1855 J. D. Forbes Tour Mt. Blanc xi. 248 By transmitted light it is dichroitic—brown orange in one direction and bright green in another.
1881 J. Tyndall Ess. Floating Matter of Air 95 The dichroitic action which produces the colours of the sky.
1953 Nature 29 Aug. 412/2 The red, dichroitic, crystal needles of dimethylglyoxime–nickel appeared within 30 min.
2003 Langmuir 19 3415/1 The quartz cell measurement was repeated with 90° rotation to ensure no linear dichroitic effect.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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adj.1822