Temporal arteritis, also known as giant cell arteritis, is a condition that involves blood vessel inflammation and damage. According to the University of Maryland Medical Center, this condition may affect the medium or large arteries that supply blood to your head, neck, upper body and arms.
Legal Definition of opportunity cost. : the cost of making an investment that is the difference between the return on one investment and the return on an alternative.
economics. 1  the benefit that could have been gained from an alternative use of the same resource. 2  An opportunity cost is the cost of not being able to do other things with time and resources because of doing the chosen activity.