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单词 dichroous
释义

dichroousadj.

Forms: 1800s dichroöus, 1800s dichroous.
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek δίχρους , -ous suffix.
Etymology: < ancient Greek δίχρους (uncontracted δίχροος) two-coloured ( < δι- di- comb. form + χρώς colour < the same base as χρῶμα colour: see chrome n.) + -ous suffix. Compare earlier dichroic adj. N.E.D. (1895) gives the pronunciation as (dəi·kroˌəs) /ˈdaɪkrəʊəs/.
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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adj.1856
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更新时间:2025/3/4 18:04:56