| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| (used as a nonsense word by children to express approval or to represent the longest word in English.) |
thyrotoxicosis thy·ro·tox·i·co·sis (thī'rō-tŏk'sĭ-kō'sĭs)
n.
A toxic condition resulting from excessive amounts of thyroid hormones in the body, as that occurring in hyperthyroidism.
thyrotoxicosis
excess hormone production by the thyroid gland.
Learn more about thyrotoxicosis with a free trial on Britannica.com.