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dichroism - 5 dictionary results

di⋅chro⋅ism

  [dahy-kroh-iz-uhm]
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–noun
1. Crystallography. pleochroism of a uniaxial crystal such that it exhibits two different colors when viewed from two different directions under transmitted light.
2. Chemistry. the exhibition of essentially different colors by certain solutions in different degrees of dilution or concentration.
Origin:
1810–20; < Gk díchro(os) (see dichroic ) + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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di·chro·ism   (dī'krō-ĭz'əm)   
n.   Chemistry
  1. The property possessed by some solutions of showing different colors at different concentrations.
  2. The property possessed by some crystals of exhibiting two different colors when viewed along different axes.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Dichroism

Di"chro*ism\, n. [Gr. ? two-colored; di- = di`s- twice + ? color.] (Opt.) The property of presenting different colors by transmitted light, when viewed in two different directions, the colors being unlike in the direction of unlike or unequal axes.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: di·chro·ism
Pronunciation: 'dI-(")krO-"iz-&m
Function: noun
: the property of some crystals and solutions of absorbing one oftwo plane-polarized components of transmitted light more strongly than the other; also : the property of exhibiting different colors by reflected or transmitted light —compare CIRCULAR DICHROISM 1
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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dichroism di·chro·ism (dī'krō-ĭz'əm)
n.

  1. The property of some solutions of showing different colors at different concentrations.
  2. The property of some crystals of exhibiting two different colors when viewed along different axes.
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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