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.
Word Origin and History for comity. n. early 15c., association, from French comitÃ©, from Latin comitas courtesy, friendliness, kindness, affability, from comis courteous, friendly, kind, of uncertain origin. Meaning courtesy in English is from 1540s.