read-only memory
From Longman Dictionary of Contemporary EnglishRelated topics: Computersread-only memoryˌread-only ˈmemory noun [uncountable] technical TDROMExamples from the Corpusread-only memory• These are programs written on read-only memory chips.From Longman Business DictionaryRelated topics: Computersread only memoryˈread only ˌmemory abbreviation ROMCOMPUTING the memory in a computer system where permanent instructions and information are stored → see also CD-ROM → memory