ˌ ̷ ̷ ̷ ̷ at hypo- +pə̇ˈtüətəˌrizəm, -pə̇.ˈtyü- noun
( -s )
Etymology: International Scientific Vocabulary hypo- + pituitar- (from pituitary ) + -ism
: deficient activity of the pituitary gland especially in the production of growth-regulating hormones or of those fractions (as the gonadotropic or thyrotrophic hormones) that regulate the secretory activity of other endocrine organs — compare hyperpituitarism