OPALESCENCE

Opalescence

Opalescence is a type of dichroism seen in highly dispersed systems with little opacity. The material appears yellowish-red in transmitted light and blue in the scattered light perpendicular to the transmitted light. The phenomenon is named after the appearance of opals.

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opalescence

Noun

  1. the state of being opalescent
  2. the milky iridescent appearance of a dense transparent medium when it is illuminated by polychromatic visible radiation (such as sunlight) due to local fluctuations in its density and therefore in its refractive index


The above text is a snippet from Wiktionary: opalescence
and as such is available under the Creative Commons Attribution/Share-Alike License.

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