Achromatism


freedom from color.
freedom from chromatic aberration, as in an .
historical examples

thus examined, the departure of the eye from achromatism appears very gross indeed.
six lectures on light john tyndall

the achromatism of prisms depends upon the same principles, and it is effected in the same way as that of lenses.
cooley’s cyclopdia of practical receipts and collateral information in the arts, manufactures, professions, and trades…, sixth edition, volume i arnold cooley

the reflecting telescope was invented; the recognized possibility of achromatism led to an improvement in the refractor.
history of the intellectual development of europe, volume ii (of 2) john william draper

as the diameter of the lens was so small in comparison with its focal length, its want of achromatism was inappreciable.
experimental determination of the velocity of light albert a. michelson

leonhard euler in 1747 had suggested that achromatism might be obtained by the combination of gl-ss and water lenses.
encyclopaedia britannica, 11th edition, volume 8, slice 6 various

it would seem that the eye is but little sensitive to colours thus presented, perhaps on account of its own want of achromatism.
encyclopaedia britannica, 11th edition, volume 14, slice 6 various

it is upon this principle that the achromatism of the image is produced, the different colored rays being united into one focus.
reminiscences of gl-ss-making deming jarves

achromatism a·chro·ma·tism (ā-krō’mə-tĭz’əm, ə-krō’-)
n.

the quality of being achromatic.

the correction of chromatic aberration by combining lenses of different refractive indexes and different dispersion.

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  • Achromatophil

    also, achromatophilic [ey-kruh-mat-uh-fil-ik, ak-ruh-, ey-kroh-muh-tuh-] /ˌeɪ krəˌmæt əˈfɪl ɪk, ˌæk rə-, eɪˌkroʊ mə tə-/ (show ipa). having little or no affinity for stains. an achromatophil cell or tissue. achromatophil a·chro·mat·o·phil (ā’krō-māt’ə-fĭl, āk’rō-, ā-krō’mə-tə-, ə-krō’-) or a·chro·mo·phil (ā-krō’mə-fĭl, ə-krō’-) adj. not able to be colored by histological or bacteriological stains. n. a cell or tissue that […]

  • Achromatophilia

    the property of having little or no affinity for stains.

  • Achromatopsia

    (def 2). achromatopsia a·chro·ma·top·si·a (ə-krō’mə-tŏp’sē-ə) or a·chro·ma·top·sy (ə-krō’mə-tŏp’sē) n. a severe congenital deficiency in color perception, often -ssociated with nystagmus and reduced visual acuity. also called achromatic vision, monochromatism.

  • Achromatosis

    achromatosis achromatosis a·chro·ma·to·sis (ə-krō’mə-tō’sĭs) n. pl. a·chro·ma·to·ses (-sēz’) see achromia.

  • Achromatous

    without color. having little or inadequate color; lighter in color than normal. adjective having little or no colour or less than is normal achromatous a·chro·ma·tous (ā-krō’mə-təs, ə-krō’-) adj. having no color; colorless.


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