1 Not all adenomas produce excess T-4, and doctors aren't sure what causes some to begin producing too much hormone. 2  Thyroiditis. 3  Sometimes your thyroid gland can become inflamed for unknown reasons. 4  The inflammation can cause excess thyroid hormone stored in the gland to leak into your bloodstream.
Forged steel is an alloy of carbon and iron that is compressed under extreme pressure to make a very hard and strong substance. It has been used for thousands of years to create all types of materials.
1 Make or shape (a metal object) by heating it in a fire or furnace and hammering it: he forged a great suit of black armour. More example sentences. Synonyms. 1  For a dark blade such as this, the metal is forged in a magical fire of burning ice. Make or shape (a metal object) by heating it in a fire or furnace and hammering it: he forged a great suit of black armour. More example sentences. Synonyms. 1  For a dark blade such as this, the metal is forged in a magical fire of burning ice.