[ pawr-feer-ee-uh, -fahy-ree-uh ]
/ pɔrˈfɪər i ə, -ˈfaɪ ri ə /

noun Pathology.

a defect of blood pigment metabolism in which porphyrins are produced in excess, are present in the blood, and are found in the urine.

Origin of porphyria

First recorded in 1920–25; porphyr(in) + -ia
Also called hematoporphyria.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for porphyria

British Dictionary definitions for porphyria


/ (pɔːˈfɪrɪə) /


a hereditary disease of body metabolism, producing abdominal pain, mental confusion, etc

Word Origin for porphyria

C19: from New Latin, from porphyrin a purple substance excreted by patients suffering from this condition, from Greek porphura purple
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for porphyria


[ pôr-fîrē-ə ]


Any of several disorders of porphyrin metabolism, usually hereditary, characterized by large amounts of porphyrins in the blood and urine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.