/ay kroh"meuh tiz'euhm/, n. Optics.
1. freedom from color.
2. freedom from chromatic aberration, as in an achromatic lens.
[1790-1800; ACHROMAT(IC) + -ISM]

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Universalium. 2010.

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  • Achromatism — A*chro ma*tism, n. [Cf. F. achromatisme.] The state or quality of being achromatic; as, the achromatism of a lens; achromaticity. Nichol. [1913 Webster] …   The Collaborative International Dictionary of English

  • achromatism — [ā krō′mətis′ə tēā krō′mətiz΄əm] n. the condition or quality of being achromatic; lack of color: also achromaticity [ā krō′mətis′ə tē] …   English World dictionary

  • Achromatism — (Roget s Thesaurus) >Absence of color. < N PARAG:Achromatism >N GRP: N 1 Sgm: N 1 achromatism achromatism Sgm: N 1 decoloration decoloration discoloration Sgm: N 1 pallor pallor pallidity Sgm: N 1 paleness paleness &c. >Adj …   English dictionary for students

  • achromatism — noun a) The state or quality of being achromatic; as, the achromatism of a lens; achromaticity. b) The state of being free of colors, not emitting or separating into colors …   Wiktionary

  • achromatism — achromatiškumas statusas T sritis fizika atitikmenys: angl. achromatism vok. Achromatismus, m rus. ахроматизм, m; ахроматичность, f pranc. achromatisme, m …   Fizikos terminų žodynas

  • achromatism — noun see achromatic …   New Collegiate Dictionary

  • achromatism — 1. The quality of being achromatic. 2. The annulment of chromatic aberration by combining glasses of different refractive indexes and different dispersion. * * * achro·ma·tism ( )ā krō mə .tiz əm, a n the quality or state of being achromatic * *… …   Medical dictionary

  • achromatism —    see achromatopsia …   Dictionary of Hallucinations

  • ACHROMATISM —    transmission of light, undecomposed and free from colour, by means of a combination of dissimilar lenses of crown and flint glass, or by a single glass carefully prepared …   The Nuttall Encyclopaedia

  • achromatism — n. state or quality of being without color …   English contemporary dictionary

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