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.
The purchase of goods: achromatic office paper use in copiers, laser and inkjet printers, suitable for color printing, package min.
I have been hearing a lot that INDIBRAND would have difficulties in entering overseas markets for it carries a number of achromatic products while customers around the world prefer different colors, but I wanted to prove that Korean style can also attract customers overseas and we are proving it now.
1-mm thick ulcerated nodular achromatic malignant melanoma of the left shoulder in August 2008.
The stimulus was an achromatic sinusoidal low spatial frequency grating that underwent counterphase flickering at a high temporal frequency [21].
The male blue crab, Callinectes sapidus, uses both chromatic and achromatic cues during mate choice.
Their investigation revealed that although BPA failed to induce conventional chromosomal aberrations and micronuclei, its genotoxic effects were manifested in the form of achromatic lesions and c-mitotic effects in bone marrow cells of Swiss albino mice.
Luma represents the brightness in an image and it represents the achromatic image without any color while the chroma component represents the color information.
It's an obstreperous subject for most of us as without it we wouldn't be here, yet puts us in an onerous position to give a view that is impartial and achromatic.
Action spectra of the female's response in the firefly Photinus pyralis (Coleoptera: Lampyridae): Evidence for an achromatic detection of the bioluminescent optical signal.