Definition of porphyry noun from the Oxford Advanced American Dictionary

 

porphyry

 noun
noun
NAmE//ˈpɔrfəri//
 
[uncountable]
 
jump to other results
a type of hard red stone that contains red and white crystals, which can be polished and made into statues, jewelry, etc.
See the Oxford Advanced Learner's Dictionary entry: porphyry