myxoedema

 
Pronunciation: /ˌmɪksɪˈdiːmə/
(US myxedema)

noun

[mass noun] Medicine
  • swelling of the skin and underlying tissues giving a waxy consistency, typical of patients with underactive thyroid glands.
  • the more general condition associated with hypothyroidism, including weight gain, mental dullness, and sensitivity to cold.