noun
: an iodine-containing preparation that is made from casein, resembles the thyroid hormone in physiological activity, and is used in animal feeds (as to increase milk production of cows)
noun
: an iodine-containing preparation that is made from casein, resembles the thyroid hormone in physiological activity, and is used in animal feeds (as to increase milk production of cows)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012