pȯ(r)ˈfirēə, -fīr- noun
( -s )
Etymology: New Latin, from International Scientific Vocabulary porphyr in + New Latin -ia
: a pathological state in man and some lower animals that is often due to genetic factors, is characterized by abnormalities of porphyrin metabolism, and results in the excretion of large quantities of porphyrins in the urine and in extreme sensitivity to light