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.
Opportunity cost is the amount of other products that must be forgone or sacrificed to produce a unit of product. In economics or economic costs for example, relates to opportunity cost in the aspect that the payment must be made to obtain and retain the services of a resource. The New York City square block would have a greater opportunity cost because it would just cost more money than it's worth to change the lots of the already existing lot.