goitre

goiter 

Main Entry: goi·ter
Variant: or chiefly British goi·tre /'goit-&r/
Function: noun
: an enlargement of the thyroid glandthat is commonly visible as a swelling of the anterior part of the neck, that often results from insufficient intake of iodine and then is usually accompanied by hypothyroidism, and that in other casesis associated with hyperthyroidism usually together with toxic symptoms and exophthalmos called also struma —goi·trous /'goi-tr&s/ also goi·ter·ous /'goit-&-r&s/ adjective

goiter goi·ter (goi'tər)
n.
A noncancerous enlargement of the thyroid gland, visible as a swelling at the front of the neck, that is often associated with iodine deficiency.

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goi'trous (-trəs) adj.

goiter   (goi'tər)  Pronunciation Key  An enlarged thyroid gland, visible as a swelling at the front of the neck. It is often associated with thyroid disease, especially in areas of the world outside of North America where iodine deficiency is endemic.