Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

porphyria

play
noun por·phyr·ia \pȯr-ˈfir-ē-ə\

Definition of porphyria

  1. :  any of several usually hereditary abnormalities of porphyrin metabolism characterized by excretion of excess porphyrins in the urine



Origin of porphyria

New Latin, from International Scientific Vocabulary porphyrin


First Known Use: 1923


Medical Dictionary

porphyria

play
noun por·phyr·ia \pȯr-ˈfir-ē-ə\

Medical Definition of porphyria

  1. :  any of several usually hereditary abnormalities of porphyrin metabolism characterized by excretion of excess porphyrins in the urine and by extreme sensitivity to light




Learn More about porphyria


Seen and Heard

What made you want to look up porphyria? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 16.96 pounds 196.5 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ