achromatic


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Related to achromatic: Achromatic colors

achromatic

1. capable of reflecting or refracting light without chromatic aberration
2. Cytology
a. not staining with standard dyes
b. of or relating to achromatin
3. Music
a. involving no sharps or flats
b. another word for diatonic
4. denoting a person who is an achromat

Achromatic

Having no color; a neutral such as black and white.

achromatic

[¦a·krə¦mad·ik]
(optics)
Capable of transmitting light without decomposing it into its constituent colors.

achromatic

Said of architecture that is without color, for example, the white buildings of Greek Revival.
References in periodicals archive ?
In fact, although achromatic colors are dominant in the automotive palette, there are efforts to inject colors in these hues to provide nuanced, vibrant, and interpretive looks.
Regardless of the duration of exposure, Vidovszky-Nemeth and Schanda [2011] found that the influence of ipRGCs on the brightness perception of an achromatic target to be negligible.
Arago's contemporary, Sir John Herschel, wrote: "The deficiency of light at the borders of the visible disc is in fact so striking, whether viewed through coloured glasses or without their intervention, by projecting its image through a good achromatic telescope on white paper, that it seems surprising it should ever have been controverted" [91, p.
While some of the literal definitions of "white" include "the achromatic color of maximum lightness; unsullied; pure; and snowy," and "black" "without light; soiled, as from soot; dirty; evil; wicked; depressing; gloomy; angry; sullen; morbid; and absence of light" (The American Heritage Dictionary, 2001), these definitions are best understood in the context of their moral symbolic meanings--white dove of peace, White Christmas, white collar, and white lie as opposed to Black Death, blackball, blackmail, Black Market, and black eye.
Instead the latest trend is to swathe yourself in the pure innocence of this achromatic colour.
An achromatic eyepiece provides users a crisp image covering the entire field of view.
This design brings an added dimension of austerity and achromatic clarity: pallid grey and bone-white goblets rest on a bed of sparkling black sand, which in turn is thickly sifted onto a white pedestal base.
Standard achromatic perimetry and optic nerve head topography by Heidelberg retina tomography (HRT) II were studied at baseline and thereafter every 6 months.
Key words: black printer, achromatic reproduction, colorimetry
The all-glass achromatic lens eliminates color distortion, and the wide viewing field of the 5 x 24 mm finder scope helps us locate objects easily.
Lead (Pb) is used in storage batteries, cable coverings, plumbing, ammunition, manufacture of tetraethyl Pb, sound absorbers, radiation shields around X-ray equipment and nuclear reactors, paints, while the oxide is used in producing fine "crystal glass" and "flint glass" with a high refractive index for achromatic lenses, solder and insecticides.
Overnight sleep restored perception to achromatic equilibrium so that gray was perceived as gray.