Noun:

நிறநீக்கம்,

achromatism தமிழ் அர்த்தத்தின் உதாரணம்:

அல்கஹோல் அல்லது அசிட்டோனால் நிறநீக்கம் செய்ய வேண்டும்.

achromatism's Usage Examples:

He concluded that there could be no refraction without dispersion, and hence that achromatism was impossible of attainment.

Lockhart Clarke (1817-1880), one of the earliest investigators of nervous pathology, the improvement of the compound microscope had not attained the achromatism, the penetration and the magnification which have since enabled J.

This artifice is specially adopted in objectives for astronomical photography ("pure actinic achromatism").

3) owes its high degree of achromatism.

The whole history of his researches proves how fully he was aware of the conditions necessary for the attainment of achromatism in refracting telescopes, and he may be well excused if he so long placed implicit reliance on the accuracy of experiments made by so illustrious a philosopher as Newton.

Newton failed to perceive the existence of media of different dispersive powers required by achromatism; consequently he constructed large reflectors instead of refractors.

"The absence of this error is termed achromatism, and an optical system so corrected is termed achromatic.

If all three constants of reproduction be achromatized, then the Gaussian image for all distances of objects is the same for the two colours, and the system is said to be in " stable achromatism.

Leonhard Euler in 1747 had suggested that achromatism might be obtained by the combination of glass and water lenses.

For achromatism d4) o, hence, from (3), (4) led k 'or 0 1 /0 2 - v i /v 2.

(This explains the gigantic focal lengths in vogue before the discovery of achromatism.

1828), professor of practical astronomy at Edinburgh University, to characterize a superior achromatism, and, subsequently, by many writers to denote freedom from spherical aberration.

Synonyms:

colorlessness, visual property, colourlessness, achromaticity, achromia,

Antonyms:

color, colorlessness, brightness, polychromize, grey,