The term 'limited in magnitude' can be summarized as having a FINITE size or scope. This means that the size or scope of something is restricted and cannot exceed a certain amount. This term is often used to describe a situation where the resources available are limited and cannot be increased. For example, a company may have a limited budget or a country may have limited resources. In this context, the crossword solution 'FINITE' (6 letters) is an appropriate description for the term 'limited in magnitude'.