read-only memory 
(abbreviation ROM)
noun Computing
Memory read at high speed but not capable of being changed by program instructions.The program package includes a read-only memory compact disk (CD ROM) and teacher workbook....
- Another option is to store important programs in read-only memory so that a virus cannot overwrite them.
- Batch inquires are submitted for processing online or on compact disk, read-only memory (CD-ROM) and floppy disks/diskettes.
- prelatism
- prelatist
- supersensitive
- supersensitivity
- supersensory
- supersensual
- supersensualism
- supersensuous
- superserviceable
- supersession
- supersessionism
- supersessionist
- supersessive
- supersessor
- supersessory
- superset
- supersexual
- supersign
- supersize
- supersoap
- supersolid
- supersonic
- supersonically
- supersonics
- supersonic transport