Difference between Achromatic and Allochromatic

ACHROMATIC vs ALLOCHROMATIC: ADJECTIVE

Having no hue
Designating color perceived to have zero saturation and therefore no hue, such as neutral grays, white, or black.
Refracting light without spectral color separation.
Difficult to stain with standard dyes. Used in reference to cells or tissues.
Having only the diatonic tones of the scale.
Free from color; transmitting light without decomposing it into its primary colors.
Uncolored; not absorbing color from a fluid; -- said of tissue.
A lens composed usually of two separate lenses, a convex and concave, of substances having different refractive and dispersive powers, as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed.
See Prism.
One in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass, and which gives images free from extraneous color.
Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
Having only the diatonic notes of the scale; not modified by accidentals.
Being achromatic in subject
Being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light

Destitute of color; free from coloration; transmitting light without decomposing it into its constituent colors: as, an achromatic lens or telescope.
In biology: Colorless; hyaline.

Whitish, Argent, Black, Black, Ebony, Blackish, Silvery, Inky, Pearly, White, White, Gray, Colorless, Greyish, Grayish

Leucoscope, Unicolorous, Diradiation, Xanthogenic, Colour scheme, Chromascope, Decolour, Colour television, Trichromic, Rosaniline, Achromatinic, Caesious, Hueless, Achromic, Isochromatic

Whitish, Argent, Black, Black, Ebony, Blackish, Silvery, Inky, Pearly, White, White, Gray, Colorless, Greyish, Grayish

Leucoscope, Unicolorous, Diradiation, Xanthogenic, Colour scheme, Chromascope, Decolour, Colour television, Trichromic, Rosaniline, Achromatinic, Caesious, Hueless, Achromic, Isochromatic

Wash the stained acetate cellulose strip with water until achromatic bands appear on a blue background.
PMS solution to reveal achromatic ARGK bands on a blue background of the gel.
PAG as dark bands that interfere with or completely mask achromatic zones of UK.
Fields notice senpai come from one of his attention by achromatic, but as time!
These achromatic ideologies can be found on both sides of the theological aisle.
PMS solution to obtain achromatic ARGK bands on a blue gel background.
The achromatic band corresponding to GPX activity appears on a blue background.
Usually, such doublets are designed to be both aspheric and achromatic.
The achromatic locus: Effect of navigation direction in color space.
The 'K' component absorbs all wavelengths and is therefore achromatic.

Some examples of allochromatic gems are: beryl, corundum, quartz, grossular garnet, tourmaline, topaz, spinel and nephrite jade.