metabolic disorder - a disorder or defect of metabolism

abetalipoproteinemia - a rare inherited disorder of fat metabolism; characterized by severe deficiency of beta-lipoproteins and abnormal red blood cells (acanthocytes) and abnormally low cholesterol levels

Gaucher's disease - a rare chronic disorder of lipid metabolism of genetic origin

Niemann-Pick disease - a disorder of lipid metabolism that is inherited as an autosomal recessive trait

infantile amaurotic idiocy, Sachs disease, Tay-Sachs, Tay-Sachs disease - a hereditary disorder of lipid metabolism occuring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood