: 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.
(plural grievances). ( 1 countable) Something which causes grief. 2  A wrong or hardship suffered, which is the grounds of a complaint. 3  A complaint or annoyance. 4  A formal complaint, especially in the context of a unionized workplace.