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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

42 words match “CHROMATIC”

CHROMATIC a. 2 definitions

Relating to color, or to colors.

Chromatic. [Obs.]

CHROMATICALLY adv.

In a chromatic manner.

The science of colors; that part of optics which treats of the properties of colors.

ACHROMATIC a. 2 definitions

Uncolored; not absorbing color from a fluid; -- said of tissue. Achromatic lens (Opt.), 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…

ACHROMATICALLY adv.

In an achromatic manner.

ACHROMATICITY n.

APOCHROMATIC a.

Free from chromatic and spherical aberration; -- said esp. of a lens in which rays of three or more colors are brought to the same focus, the degree of achromatism thus obtained being more complete than where two rays only are thus focused, as in the ordinary achromatic objective. --Ap`o*chro"ma*tism (#), n.…

DICHROMATIC a. 2 definitions

Having or exhibiting two colors.

ISOCHROMATIC a.

parts having the same color, as lines drawn through certain points in experiments on the chromatic effects of polarized light in crystals.

LITHOCHROMATICS n.

See Lithochromics.

MONOCHROMATIC a.

Consisting of one color, or presenting rays of light of one color only. Monochromatic lamp (Opt.),a lamp whose flame yields rays of some one homogenous light. It is of great importance in optical experiments.

PHOTOCHROMIC; PHOTOCHROMATIC a.

Of or pertaining to photochromy; produced by photochromy.

PHOTOTRICHROMATIC a.

Designating a photomechanical process for making reproductions in natural colors by three printings.

PLEOCHROMATIC a.

POLYCHROMATIC a.

Showing a variety, or a change, of colors. Polychromatic acid (Old Chem.), a substance obtained by the action of nitric acid on aloes.

TRICHROMATIC a.

Having or existing in three different phases of color; having three distinct color varieties; -- said of certain birds and insects.

of the lens or mirror, such form giving different foci for central and marginal rays; and chromatic aberration, when due to different refrangibilities of the colored rays of the spectrum, those of each color having a distinct focus.

The state or quality of being achromatic; as, the achromatism of a lens; achromaticity. Nichol.

To deprive of color; to make achromatic.