achromaticity


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ach·ro·mat·ic

 (ăk′rə-măt′ĭk, ā′krə-)
adj.
1. Designating color perceived to have zero saturation and therefore no hue, such as neutral grays, white, or black.
2. Refracting light without spectral color separation.
3. Biology Difficult to stain with standard dyes. Used in reference to cells or tissues.
4. Music Having only the diatonic tones of the scale.

[From Greek akhrōmatos : a-, without; see a-1 + khrōma, khrōmat-, color.]

ach′ro·mat′i·cal·ly adv.
a·chro′ma·tic′i·ty (-tĭs′ĭ-tē) n.
a·chro′ma·tism (ā-krō′mə-tĭz′əm) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

achromaticity

1. the total absence of color.
2. the ability to emit, reflect, or transmit light without breaking down into separate colors. Also achromatism.
See also: Color
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.achromaticity - the visual property of being without chromatic colorachromaticity - the visual property of being without chromatic color
visual property - an attribute of vision
achromia - an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in periodicals archive ?
The same 12 scales (i.e., prepared physical scales for each of the three geometric attributes mentioned above at four levels of achromaticity) in addition to the prepared common color constant lightness scale were also employed in the present study in order to exploit the "principle of additivity" and provisions for the derivation of a GAI.
Cronin, "A biological quarter-wave retarder with excellent achromaticity in the visible wavelength region," Nature Photonics, Vol.
The final drug product in the vial should be clear and colorless without any visible particulates as per USP (823) and USP (631) Color and Achromaticity.