lactase deficiency

Từ điển WordNet v3.1 - WordNet Dictionary

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