To save this word, you'll need to log in.
porphyria cutanea tarda
Cite this Entry
“Porphobilinogen.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/porphobilinogen. Accessed 25 Sep. 2020.
Comments on porphobilinogen
What made you want to look up porphobilinogen? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Challenging Vocabulary Quiz Returns!
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 9/25/2020
We'll map it out for you.
The word, not the behavior
We use these words to describe food, but they beg...
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
No tricks, just difficult words.
More/moor than/then two/too/to.
Build a city of skyscrapers—one synonym at a time.