from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A disease that is relatively rare, for which the development of drugs is considered to be commercially nonviable.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any disease for which drugs are not usually developed because it is too rare to make the development profitable.
Sorry, no etymologies found.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.