¦häshēˈmōd.(ˌ)ōz-, -shi¦- noun
also hashimoto's disease or hashimoto's struma
Usage: usually capitalized H
Etymology: after Hakaru Hashimoto died 1934 Jap. surgeon
: chronic autoimmune thyroiditis characterized by thyroid enlargement, thyroid fibrosis, lymphocytic infiltration of thyroid tissue and the production of autoantibodies that attack the thyroid