: a rare genetic disorder in which the body is unable to absorb dietary fats and fat-soluble vitamins (such as vitamin A and E) because of an absence of apolipoprotein B-containing lipoproteins (such as chylomicrons and VLDLs) in the blood plasma Abetalipoproteinemia presents initially in the neonatal period with gastrointestinal manifestations ...
grievance procedure. Definition. A process instituted by a health plan or benefit provider for policyholders to file complaints.
Definition of contrivance. 1  1a : a thing contrived; especially : a mechanical device modern contrivances to cook food fasterb : an artificial arrangement or development Mistaken identity is used as a plot contrivance in the story. 2  2 : the act or faculty of contriving : the state of being contrived.