achromicadj.

Brit.

/eɪˈkrəʊmɪk/, U.S.

/eɪˈkroʊmɪk/

Origin: Either (i) a borrowing from Latin, combined with an English element. Or (ii) a borrowing from Greek, combined with an English element. Etymons: Latin achromos , -ic suffix; Greek ἄχρωμος , -ic suffix.

Etymology: < post-classical Latin achromos (4th cent.) or its etymon ancient Greek ἄχρωμος colourless ( < ἀ- a- prefix⁶ + χρῶμα : see chrome n.) + -ic suffix. Compare earlier achromatic adj.

Lacking colour; spec. = achromatic adj. 1a, 1c, 2.

ΘΚΠ

the world > matter > colour > state or mode of having colour > absence of colour > [adjective]

huelessc1000

whiteOE

plainc1330

uncoloured1538

undyed1538

colourless1610

blank1667

unteinted1745

achromatic1759

achromic1762

etiolated1784

tintless1789

unshaded1823

achromatous1845

untinted1849

unpigmented1853

achromatistous1878

achromous1878

achroous1878

decolorized1879

etiolized1880

untoned1897

1762 Philos. Trans. 1761 (Royal Soc.) 52 179 Reflector of 2 feet focus, with an achromic object-glass micrometer of 40 feet focus.

1845 G. Field Chromatics (new ed.) i. 3 The elements of light and shade, in their sensible, inherent, achromic state, have two extremes and a mean, which are denominated White, Black, and Grey.

1881 Proc. Royal Soc. 32 147 When starch mucilage is treated with extract of pancreas.., the mixture progressively loses its property of giving a colour reaction... This point may..be called the achromic point.

1957 Avian Dis. 1 82 The red cells were achromic and had polychromatophilia, anisocytosis or poikilocytosis.

1998 Houston Chron. (Nexis) 17 May (Texas Mag.) 5 Her face turned an achromic color, as if she had seen a ghost.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).

单词	achromic
释义	achromicadj. Brit. /eɪˈkrəʊmɪk/, U.S. /eɪˈkroʊmɪk/ Origin: Either (i) a borrowing from Latin, combined with an English element. Or (ii) a borrowing from Greek, combined with an English element. Etymons: Latin achromos , -ic suffix; Greek ἄχρωμος , -ic suffix. Etymology: < post-classical Latin achromos (4th cent.) or its etymon ancient Greek ἄχρωμος colourless ( < ἀ- a- prefix⁶ + χρῶμα : see chrome n.) + -ic suffix. Compare earlier achromatic adj. Lacking colour; spec. = achromatic adj. 1a, 1c, 2. ΘΚΠ the world > matter > colour > state or mode of having colour > absence of colour > [adjective] huelessc1000 whiteOE plainc1330 uncoloured1538 undyed1538 colourless1610 blank1667 unteinted1745 achromatic1759 achromic1762 etiolated1784 tintless1789 unshaded1823 achromatous1845 untinted1849 unpigmented1853 achromatistous1878 achromous1878 achroous1878 decolorized1879 etiolized1880 untoned1897 1762 Philos. Trans. 1761 (Royal Soc.) 52 179 Reflector of 2 feet focus, with an achromic object-glass micrometer of 40 feet focus. 1845 G. Field Chromatics (new ed.) i. 3 The elements of light and shade, in their sensible, inherent, achromic state, have two extremes and a mean, which are denominated White, Black, and Grey. 1881 Proc. Royal Soc. 32 147 When starch mucilage is treated with extract of pancreas.., the mixture progressively loses its property of giving a colour reaction... This point may..be called the achromic point. 1957 Avian Dis. 1 82 The red cells were achromic and had polychromatophilia, anisocytosis or poikilocytosis. 1998 Houston Chron. (Nexis) 17 May (Texas Mag.) 5 Her face turned an achromic color, as if she had seen a ghost. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < adj.1762
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