Akademik

lactase deficiency
noun
congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose
Syn: ↑lactose intolerance, ↑milk intolerance
Hypernyms:
genetic disease, ↑genetic disorder, ↑genetic abnormality, ↑genetic defect, ↑congenital disease, ↑inherited disease, ↑inherited disorder, ↑hereditary disease, ↑hereditary condition

Useful english dictionary. 2012.