hyperthyroidism Hear it!

hyperthyroidism definition

hyper·thy·roid·ism (-t̸hī′ro̵id iz′əm)

noun

  1. excessive activity of the thyroid gland
  2. the disorder resulting from this or from taking too much thyroid extract, characterized by loss of weight, nervousness, a rapid pulse, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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