Glossary of Terms:
 
CD-R
Compact Disc Recordable — A disk drive that can record CD-ROMs and audio CDs. Data can only be recorded once onto a disc. Many CD-R drives have a multisession recording feature that allows data to be added to a CD-ROM over time. CD-R is sometimes preferred to CD-RW for archival purposes as data recorded to a disc cannot be deliberately or accidentally modified.
Source: Yamaha

Related terms:
  CD   CD-I   CD-ROM   CD-ROM XA