Found 2 items, similar to hyperthyroidism.
English → English (WordNet) Definition: hyperthyroidism hyperthyroidism n : an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones [syn: thyrotoxicosis] [ant: hypothyroidism]
English → English (gcide) Definition: hyperthyroidism hyperthyroidism \hyperthyroidism\ n. (Med.) An abnormality of the thyroid gland characterized by the pathologically excessive production of thyroid hormones; -- also, the resulting condition characterized by increased metabolism, weight loss, rapid heart rate, high blood pressure, an enlarged thyroid gland and sometimes exophthalmos. It leads to, and may be confirmed by, high plasma levels of triiodothyronine or thyroxin. Syn: thyrotoxicosis. [WordNet 1.5]