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porky (2)
porn
porn star
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porntoon
porosity
porous
porphyria
porphyrin
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porphyria

por·phyr·i·a [ pawr free ə ]


noun 
Definition:
 
disease of metabolism: a medical condition caused by the body's failure to metabolize porphyrins. Symptoms of the hereditary form include abdominal pain, sensitivity to sunlight, confusion, and excretion of porphyrins in the urine.

[Early 20th century. <porphyrin]
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