hypothyroidism

(-t̸hīro̵id iz′əm)

noun

  1. deficient activity of the thyroid gland
  2. the disorder resulting from this, characterized by a retarded rate of metabolism and resulting sluggishness, puffiness, etc.

See hypothyroidism in American Heritage Dictionary 4

noun
  1. Insufficient production of thyroid hormones.
  2. A pathological condition resulting from severe thyroid insufficiency, which may lead to cretinism or myxedema.

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