Atherosclerosis, or hardening of the arteries, is a condition in which plaque builds up inside the arteries. Plaque is made of cholesterol, fatty substances, cellular waste products, calcium and fibrin (a clotting material in the blood). Atherosclerosis is a type of arteriosclerosis.
The definition of comity means politeness or mutual courtesy. 1  The peaceful coexistence of most of the nations in North America is an example of comity.  An example of comity is when a classroom of children are all happily involved in a project.
Definition of discontinuity. 1  1 : lack of continuity or cohesion. 2  2 : gap 5. 3  3a : the property of being not mathematically continuous a point of discontinuityb : an instance of being not mathematically continuous; especially : a value of an independent variable at which a function is not continuous.