dichroism

[ dahy-kroh-iz-uhm ]

/ ˈdaɪ kroʊˌɪz əm /

noun

Crystallography. pleochroism of a uniaxial crystal such that it exhibits two different colors when viewed from two different directions under transmitted light.

Chemistry. the exhibition of essentially different colors by certain solutions in different degrees of dilution or concentration.

Origin of dichroism

1810–20; <Greek díchro(os) (see dichroic) + -ism

Words nearby dichroism

dichotomous key, dichotomous question, dichotomy, dichroic, dichroic filter, dichroism, dichroite, dichromate, dichromatic, dichromaticism, dichromatism

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dichroism

The dichroism of tourmaline is stronger than that of ruby and more obvious to the unaided eye.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade
Moreover, in tourmaline the dichroism is strongly marked, whereas in jargoon it is remarkably feeble.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 3|Various
The zircon, for example, is strongly doubly refracting, but shows hardly any dichroism.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade
The stone was therefore inspected with the dichroscope and found to possess no dichroism.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade

However, the amount of dichroism would be less in such a case than in a true emerald of as deep a color.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade

British Dictionary definitions for dichroism

dichroism

/ (ˈdaɪkrəʊˌɪzəm) /

noun

Also called: dichromaticism a property of a uniaxial crystal, such as tourmaline, of showing a perceptible difference in colour when viewed along two different axes in transmitted white lightSee also pleochroism

a property of certain solutions as a result of which the wavelength (colour) of the light transmitted depends on the concentration of the solution and the length of the path of the light within the solution

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for dichroism

dichroism

[ dī′krō-ĭz′əm ]

n.

The property of some solutions of showing different colors at different concentrations.

The property of some crystals of exhibiting two different colors when viewed along different axes.

Other words from dichroism

di•chro′ic adj.

单词	dichroism
释义	dichroism [ dahy-kroh-iz-uhm ] / ˈdaɪ kroʊˌɪz əm / noun Crystallography. pleochroism of a uniaxial crystal such that it exhibits two different colors when viewed from two different directions under transmitted light. Chemistry. the exhibition of essentially different colors by certain solutions in different degrees of dilution or concentration. Origin of dichroism 1810–20; <Greek díchro(os) (see dichroic) + -ism Words nearby dichroism dichotomous key, dichotomous question, dichotomy, dichroic, dichroic filter, dichroism, dichroite, dichromate, dichromatic, dichromaticism, dichromatism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for dichroism The dichroism of tourmaline is stronger than that of ruby and more obvious to the unaided eye. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public\|Frank Bertram Wade Moreover, in tourmaline the dichroism is strongly marked, whereas in jargoon it is remarkably feeble. Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 3\|Various The zircon, for example, is strongly doubly refracting, but shows hardly any dichroism. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public\|Frank Bertram Wade The stone was therefore inspected with the dichroscope and found to possess no dichroism. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public\|Frank Bertram Wade However, the amount of dichroism would be less in such a case than in a true emerald of as deep a color. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public\|Frank Bertram Wade British Dictionary definitions for dichroism dichroism / (ˈdaɪkrəʊˌɪzəm) / noun Also called: dichromaticism a property of a uniaxial crystal, such as tourmaline, of showing a perceptible difference in colour when viewed along two different axes in transmitted white lightSee also pleochroism a property of certain solutions as a result of which the wavelength (colour) of the light transmitted depends on the concentration of the solution and the length of the path of the light within the solution Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for dichroism dichroism [ dī′krō-ĭz′əm ] n. The property of some solutions of showing different colors at different concentrations. The property of some crystals of exhibiting two different colors when viewed along different axes. Other words from dichroism di•chro′ic adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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