idioptn.

Brit.

/ˈɪdɪɒpt/, U.S.

/ˈɪdiɑpt/

Origin: A borrowing from Greek. Etymons: Greek ἴδιος, -οπτος.

Etymology: < ancient Greek ἴδιος peculiar (see idio- comb. form) + -οπτος, used in words relating to sight (see optic adj.). Perhaps compare earlier epopt n.

rare. Now historical.

W. Whewell's term for: a person who is colour-blind.The term was objected to on various grounds, notably (see quot. 1842) as being too similar to idiot (a similarity perhaps played upon in quot. 1847).

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > colour blindness > person

idiopt1833

Daltonian1841

dichromatic1842

colour-blind1855

colour-defective1878

Daltonist1879

dichromat1893

monochromat1893

deuteranope1902

protanope1908

deuteranomal1915

protanomal1915

tritanope1915

protan1944

deutan1948

achromatopsic1986

1833 W. Whewell in I. Todhunter William Whewell (1876) II. 153 The idiopt perceived scarcely any, if any, steady distinction between the two images.

1842 Edinb. Rev. 74 266 Those persons who have that peculiarity of vision which disables them from distinguishing colours, Mr Whewell proposes to designate by the name of Idiopts—a term not wanted, and one which, when submitted to the eye of a compositor, will infallibly part with one of its most essential letters.

1847 London, Edinb., & Dublin Philos. Mag. 30 153 I will hazard the supposition that the Astronomer Royal cannot distinguish colours, and is a genuine specimen of an idiopt.

1855 G. Wilson Res. Colour-blindness 6 The awkwardness of naming such parties chromato-pseudopts or idiopts, has been felt by all.

1873 J. Simms Nature's Revelations Character 165 Out of 1154 persons, whom he [sc. Dr. George Wilson] examined, he found that were over five per cent. who were idiopts, or colour-blind.

1988 T. Zaniello Hopkins in Age of Darwin iii. 59 To this day idiopts—the persons if not the word—have survived.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	idiopt
释义	idioptn. Brit. /ˈɪdɪɒpt/, U.S. /ˈɪdiɑpt/ Origin: A borrowing from Greek. Etymons: Greek ἴδιος, -οπτος. Etymology: < ancient Greek ἴδιος peculiar (see idio- comb. form) + -οπτος, used in words relating to sight (see optic adj.). Perhaps compare earlier epopt n. rare. Now historical. W. Whewell's term for: a person who is colour-blind.The term was objected to on various grounds, notably (see quot. 1842) as being too similar to idiot (a similarity perhaps played upon in quot. 1847). ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > colour blindness > person idiopt1833 Daltonian1841 dichromatic1842 colour-blind1855 colour-defective1878 Daltonist1879 dichromat1893 monochromat1893 deuteranope1902 protanope1908 deuteranomal1915 protanomal1915 tritanope1915 protan1944 deutan1948 achromatopsic1986 1833 W. Whewell in I. Todhunter William Whewell (1876) II. 153 The idiopt perceived scarcely any, if any, steady distinction between the two images. 1842 Edinb. Rev. 74 266 Those persons who have that peculiarity of vision which disables them from distinguishing colours, Mr Whewell proposes to designate by the name of Idiopts—a term not wanted, and one which, when submitted to the eye of a compositor, will infallibly part with one of its most essential letters. 1847 London, Edinb., & Dublin Philos. Mag. 30 153 I will hazard the supposition that the Astronomer Royal cannot distinguish colours, and is a genuine specimen of an idiopt. 1855 G. Wilson Res. Colour-blindness 6 The awkwardness of naming such parties chromato-pseudopts or idiopts, has been felt by all. 1873 J. Simms Nature's Revelations Character 165 Out of 1154 persons, whom he [sc. Dr. George Wilson] examined, he found that were over five per cent. who were idiopts, or colour-blind. 1988 T. Zaniello Hopkins in Age of Darwin iii. 59 To this day idiopts—the persons if not the word—have survived. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1833
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