My Online Dictionary

What is the longest word in the medical dictionary?

I am curious as to what is the longest word in the medical dictionary. Where did you find the word and what is the meaning? Please include the site that you found it on too please. Preferably through a dictionary site.

Public Comments

1. Pneumonoultramicroscopicsilicovolcanoconiosis Longest word in English Dictionary (a medical term, so also appears in medical dictionary)
2. The longest word was has 100 letters in it and its a medical term I just forgot it I mean who couldnt forget it its really long. I'll update my answer when I find it.
3. the penis