Definition of porphyria noun from the Oxford Advanced Learner's Dictionary

 

porphyria

 noun
noun
BrE BrE//pɔːˈfɪriə//
 
; NAmE NAmE//pɔːrˈfɪriə//
 
[uncountable](medical)
 
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a disease of the blood that causes mental problems and makes the skin sensitive to light Word Origin 1920s: modern Latin, from porphyrin, from Greek porphura ‘purple’.
See the Oxford Advanced American Dictionary entry: porphyria