From Longman Dictionary of Contemporary Englishvirtual memoryˌvirtual ˈmemory noun [singular, uncountable] technical space on a computer for storing instructions and programs until they are needed or being used → RAM, ROMFrom Longman Business Dictionaryvirtual memoryˌvirtual ˈmemoryCOMPUTING the memory in a computer system that is stored and moved automatically as it is needed so that it appears to be in the main memory → memory
