Definition of Achromatism

1. Noun. The visual property of being without chromatic color.

Exact synonyms: Achromaticity, Colorlessness, Colourlessness
Generic synonyms: Visual Property
Specialized synonyms: Achromia
Antonyms: Color
Derivative terms: Colorless, Colourless

Definition of Achromatism

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

Definition of Achromatism

1. Noun. The state or quality of being achromatic; as, the '''achromatism''' of a lens; achromaticity. ¹

2. Noun. The state of being free of colors, not emitting or separating into colors. ¹

3. Noun. Achromatopia. ¹

¹ Source:

Definition of Achromatism

1. [n -S]

Medical Definition of Achromatism

1. The state or quality of being achromatic; as, the achromatism of a lens; achromaticity. Origin: Cf. F. Achromatisme. Source: Websters Dictionary (01 Mar 1998)

Achromatism Pictures

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Lexicographical Neighbors of Achromatism

achromatic apparatus
achromatic color
achromatic colour
achromatic lens
achromatic objective
achromatic threshold
achromatism (current term)

Literary usage of Achromatism

Below you will find example usage of this term as found in modern and/or classical literature:

1. Mirrors, Prisms and Lenses: A Text-book of Geometrical Optics by James Powell Cocke Southall (1918)
"In most ordinary optical systems, however, the secondary spectrum is relatively unimportant, and achromatism with respect to two principal colors will ..."

2. A Treatise on Geometrical Optics by Robert Alfred Herman (1900)
"achromatism of a system of lenses. When a coaxial system of lenses in air is used to form the image of any object, the position and size of the image depend ..."

3. Elements of Natural Philosophy by William Holmes Chambers Bartlett (1859)
"n ,. aberration; achromatism. § 119. It is, then, impossible, by the use of a single achromatism; homogeneous lens, to deviate the different waves of white ..."

4. Mathematical and Physical Papers by George Gabriel Stokes, John William Strutt Rayleigh (1904)
"The achromatism is never perfect, on account of the irrationality of dispersion. The defect thence arising cannot possibly be obviated, except by altering ..."

5. Ophthalmic Lenses and Prisms: An Essay Contributed to "The American by Charles Frederick Prentice (1917)
"The Fundamentals of achromatism. Dispersion.* In the year 1672 Sir Isaac Newton communicated ... Although Newton thus laid the foundation for achromatism, ..."

6. Report of the Annual Meeting (1835)
"On the achromatism of the Eye ; in continuation of a Paper in the last Volume of the British ... the condition of achromatism will be found to be — ri] Pv ..."

7. Proceedings of the American Association for the Advancement of Science (1871)
"Accordingly if we attempt to neutralize the effect of one by another, or to obtain achromatism, we always find that a certain amount of color remains, ..."

8. An Elementary Treatise on Optics by Richard Potter (1851)
"The results of the previous Propositions, which are treated on the usual method in achromatism, must be considered only first approximations. ..."

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