dichroscope

British  

/ ˈdaɪkrəˌskəʊp, ˌdaɪkrəˈskɒpɪk /

noun

1. Also called: dichroiscope.   dichrooscope.  an instrument for investigating the dichroism of solutions or crystals

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Other Word Forms

• dichroscopic adjective

Etymology

Origin of dichroscope

C19: from Greek dikhroos two-coloured + _-scope

Example Sentences

In order to see the axial colours separately the crystal must be examined with a dichroscope, or in a polarizing microscope from which the analyser has been removed.

From Project Gutenberg

The use of the dichroscope is so simple that it can be applied by any one to the examination of a cut stone, but there are other means of determining the nature of a stone by its optical properties available to the mineralogist and more suitably discussed under Crystallography.

From Project Gutenberg

The emerald is dichroic, giving in the dichroscope a bluish-green and a yellowish-green image.

From Project Gutenberg

A dichroscope may be had for from seven to ten dollars, according to the make, and everyone who deals in colored stones should own and use one.

From Project Gutenberg

The student should, if possible, obtain the use of a dichroscope and practice with it on all sorts of stones.

From Project Gutenberg