Definition of achromatic:
charcoal-grey, argent, ebon, slaty, grayish, albescent, milk-white, off-white, ash-grey, impersonal, sable, stone-gray, sooty, greyish, lily-white, electroneutral, iron-grey, blackish, charcoal-gray, inky, inky-black, ink-black, whitish, albescent, jet-black, canescent, hueless, neutral, chalky, gray, Grey, oxford-grey, iron-gray, ebony, charcoal, slatey, ashy, jet, oxford-gray, snow-white, canescent, inert, pitchy, snowy, indifferent, pearly-white, silverish, slate-gray, ash gray, blue-black, silver, pearly, coal-black, silvery, black.
Dr. Gruithuisen, of Munich, maintains that he has descried through his large achromatic telescope " great artificial works in the moon erected by the lunarians," which he considers to be " a system of fortifications thrown up by the selenitic engineers."- "Moon Lore", Timothy Harley.
Not I. 'We see through a glass darkly, ' said St. Paul of old; and what is more, dazzle and weary our eyes, like clumsy microscopists, by looking too long and earnestly through the imperfect and by no means achromatic lens.- "Prose Idylls", Charles Kingsley.
And, then, it is as if a delicate finger traced out the line to be occupied by the spinal column, and moulded the contour of the body; pinching up the head at one end, the tail at the other, and fashioning flank and limb into due proportions in so artistic a way, that, after watching the process hour by hour, one is almost involuntarily possessed by the notion, that some more subtle aid to vision than an achromatic would show the hidden artist, with his plan before him, striving with skillful manipulation to perfect his work.- "Natural Law in the Spiritual World", Henry Drummond.