surgical waste(Any tissue, blood or mucus removed during surgery or autopsy, soiled surgical dressings, or other materials requiring special disposal procedures)
surplus(The extent to which assets exceed liabilities, especially the profits remaining after operating expenses, taxes, interest and insurance costs are subtracted)
surveillance(System that permits the continuous observation, measurement and evaluation of the progress of a process or phenomenon with the view to taking corrective measures)
survey(A critical examination of facts or conditions to provide information on a situation. Usually conducted by interviews and/or on-site visitations)