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 value of something when a particular course of action is chosen. Simply put, opportunity cost is what you must forgo in order to get something. The benefit or value that was given up can refer to decisions in your personal life, in a company, in the economy, in the environment, or on a governmental level.