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.
The economic definition of cost (also known as opportunity cost) is the value of opportunity forgone, strictly the best opportunity forgone, as a result of engaging resources in an activity. Note that there can be a cost without the exchange of money.