thyroxine, thyroxin, tetraiodothyronine
(noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; “thyroxine is 65% iodine”
Source: WordNet® 3.1
thyroxine (countable and uncountable, plural thyroxines)
(hormone) A hormone (an iodine derivative of tyrosine), produced by the thyroid gland, that regulates cell metabolism and growth.
• (hormone): tetraiodothyronine
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
