Adjective:

ஒளியை வண்ணங்களாகப் பிரிக்காமல் செலுத்துகிற,

achromatic's Usage Examples:

It will be seen, then, that the visual and photographic foci are now merged in one, and the image is practically as achromatic as that yielded by a reflector.

If not, the substitution of an achromatic lens will be of no advantage.

The historical sequence of events now brings us to the discovery of the achromatic telescope.

This was applied to an excellent achromatic telescope of 34 in.

These objectives permitted a much larger aperture than a simple achromatic system.

He also succeeded in constructing an almost perfectly achromatic eye-piece, still known by his name.

, an achromatic lens has no sensible advantage if the focal length be greater than about II in.

Clark of Cambridgeport, Massachusetts; and the superb definition of their great achromatics rendered practicable the division of what might have been deemed impossibly close star-pairs.

John Dollond, to whom the Copley medal of the Royal Society had been the first inventor of the achromatic telescope; but it was ruled by Lord Mansfield that" it was not the person who locked his invention in his scrutoire that ought to profit for such invention, but he who brought it forth for the benefit of mankind.

His skill as a working lapidary was very great; and he prepared a number of lenses of garnet and other precious stones, which he preferred to the achromatic microscopes of the time.

The lens of the human eye is not achromatic.

Synonyms:

oxford-grey, bluish black, sooty, silver-grey, brown-black, oxford-gray, gray-black, ebon, milk-white, colorless, neutral, blue-black, blue-grey, colourless, whitish, red-grey, iron-gray, grayish, charcoal-gray, charcoal, slate-black, slate-grey, pinkish-white, hue, slaty, greyish, snowy, brownish-gray, black-grey, silver-gray, slate-gray, argent, purplish-white, ink-black, purplish-black, dark-grey, ash-gray, greyish-black, yellow-grey, grey, jet-black, sable, stone-gray, pearl gray, red-gray, canescent, slaty-grey, brownish-grey, silvery-gray, pitchy, hueless, gray-white, slaty-gray, greenish-gray, olive-gray, charcoal-grey, silver-white, blue-white, greenish-white, yellow-gray, silvery, blackish-grey, silver, silvery-white, grey-black, yellowish-gray, ebony, chalky, soot-black, ashy, greyish-white, silverish, green-white, reddish-grey, yellowish-grey, blackish, inky-black, dull-white, bluish-grey, pearly-white, stone-grey, reddish-gray, olive-grey, inky, snow-white, jet, cottony-white, purple-white, greenish-grey, brown-grey, purple-black, bluish-gray, slatey, black-gray, iron-grey, lily-white, violet-black, dark-gray, cool-white, blackish-gray, off-white, sooty-black, grayish-white, blue-gray, coal-black, brownish-black, gray, pearl grey, white-flowered, grayish-black, chromaticity, bluish-white, ash-grey, silvery-grey, yellowish-white, yellow-white, brown-gray, pearly, grey-white,

Antonyms:

discolor, young, chromatic color, chromatic, colorful,