- pleochroism of a biaxial crystal such that it exhibits three different colors when viewed from three different directions under transmitted light.
Origin of trichroism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a property of biaxial crystals as a result of which they show a perceptible difference in colour when viewed along three different axesSee pleochroism
C19: from Greek trikhroos three-coloured, from tri- + khrōma colour