n.
An autoimmune disorder marked by goiter, chronic inflammation of the thyroid, and often hypothyroidism.
[After Hakaru Hashimoto (1881-1934), Japanese physician.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.