lactose intolerance(n = noun.state) lactase deficiency, milk intolerance - congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose;
is a kind of congenital disease, genetic abnormality, genetic defect, genetic disease, genetic disorder, hereditary condition, hereditary disease, inherited disease, inherited disorder
A physiological condition in which lactose cannot be hydrolyzed in the intestine, leading to uncomfortable gaseousness, cramps, or diarrhea after eating a lactose-containing food such as milk or ice cream. The symptoms may be prevented by ingesting a preparation of beta-galactosidase before or together with dairy products. [PJC]