| Subject | English | Thesaurus |
| abbr., el. | CD-R | compact disk recordable |
| abbr., snd.rec. | CD-R | compact disc recordable system |
| abbr., file.ext. | CD-R | Compact Disk - Recordable |
| abbr. | CD-R | Compact Disk-Recordable |
| abbr., IT | CD-R | CD-Recordable (Bricker) |
| abbr., media. | CD-R | Compact Disc Recordable |
| abbr., IT | CD-R | compact disc-recordable |
| abbr., telecom. | CD-R | CD-recorder |
| abbr., telecom. | CD-R | compact disc-recorder |
| abbr., el. | CD-R | recordable compact disc |
| abbr., proj.manag. | CD-R/E | compact disc recordable and erasable |
| abbr., IT | CD-R/E | compact disc-recordable and erasable |
| abbr., el. | CD-R/E | compact disc-recordable/erasable |
| abbr., sec.sys. | CD-R/W | compact Disc-Read/Write |
| abbr., IT | CD-R/W | Compact Disk Rewrite |
| abbr., commun. | D/R | distance ratio |
| abbr., med.appl. | I.C.R.P. | International Commission on Radiological Protection |
| railw., abbr. | M R C Rail Services, L. L. P. | MIDX |
| abbr., IT | R-CD | Rewritable Compact Disk |
| chem. | r.r. | regioisomeric ratio (Shataev Konstantin) |
| abbr., microel. | R-S latch | R-S flip-flop |
| abbr., O&G, sahk.r. | SE-R | Sakhalin Energy Rijswijk |
