Wordnet polsko-angielski 
                         (the phenomenon of different colors appearing when certain crystals are viewed from different directions) 
pleochroism 
synonim: polichroizm
synonim: wielobarwność
 (the phenomenon of different colors appearing when certain crystals are viewed from different directions) 
pleochroism 
synonim: polichroizm
synonim: wielobarwność