"acromegaly" in the noun sense
1. acromegaly, acromegalia
enlargement of bones of hands and feet and face often accompanied by headache and muscle pain and emotional disturbances caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License