• Webster's Revised Unabridged Dictionary
    • a Dichroscopic Pertaining to the dichroscope, or to observations with it.
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Century Dictionary and Cyclopedia
    • dichroscopic Pertaining to the dichroscope: as, dichroscopic observations.
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In literature:

The use of a dichroscope would have saved them that error, for the stone is singly refracting.
"A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public" by Frank Bertram Wade