achromatic


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Related to achromatic: Achromatic colors

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.

achromatic

(ˌækrəˈmætɪk)
adj
1. without colour
2. (General Physics) capable of reflecting or refracting light without chromatic aberration
3. (Biology) cytology
a. not staining with standard dyes
b. of or relating to achromatin
4. (Classical Music) music
a. involving no sharps or flats
b. another word for diatonic
5. (Medicine) denoting a person who is an achromat
ˌachroˈmatically adv
achromatism, achromaticity n

ach•ro•mat•ic

(ˌæk rəˈmæt ɪk, ˌeɪ krə-)

adj.
1. free from color; lacking hue.
2. able to emit, transmit, or receive light without separating it into colors.
3. (of a cell structure) difficult to stain.
4. without accidentals in musical key.
[1760–70]
ach`ro•mat′i•cal•ly, adv.
a•chro•ma•tism (eɪˈkroʊ məˌtɪz əm) a•chro`ma•tic′i•ty (-ˈtɪs ə ti) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.achromatic - having no hue; "neutral colors like black or white"
colorless, colourless - weak in color; not colorful
chromatic - being or having or characterized by hue
Translations

achromatic

[ˌækrəʊˈmætɪk] ADJacromático

ach·ro·mat·ic

a. acromático-a, sin color.
References in classic literature ?
The air, afflicted to pallor with the hoary multitudes that infested it, twisted and spun them eccentrically, suggesting an achromatic chaos of things.
Together with black, gray, and silver, the achromatic colors continue to be the most prominent.
Using our achromatic lens, we are able to perform high quality, white light imaging.
But the art nouveau pattern in achromatic colors gives it a contemporary look with a twist.
They attach to a variety of microscope systems and feature designs made up of an achromatic doublet and a single plano-convex lens, where both convex surfaces face one another.
The works show the diversity of creative holographic techniques devised over the last 30-some years, spanning sophisticated layered and multi-exposed transmission holograms to achromatic stereograms and--of course--digital visualisation techniques.
Emphasizing on symmetry and streamline throughout the creative process, the layout used a palette of achromatic blend of soft greys, white, black and various shades of neutral.
Bernhard Stengel-Rutkowski, senior global technical marketing manager at Clariant, commented: "We have observed a global color megatrend towards achromatic car colors since the beginning of the millenium.
Color preferences in foraging Manduca sexta: background color, illumination, and the use of achromatic and chromatic signals.
Those topics include neuropsychological factors and Rorschach performance in children, and differences in brain hemodynamics in response to achromatic and chromatic cards of the Rorschach: an fMRI study.
The achromatic point from which a series of radii departs is located approximately in the centre of the diagram.
Chevalier hailed from a family of opticians, which owned a company responsible for the invention of achromatic lenses, and the lens/prism mechanism used in camera obscura.