| Subject | English | German |
| commun. | C/R | Befehl-/Meldungsbit |
| commun. | C/R | C/R |
| abbr. | C.R. | company's risk |
| environ. | c.r. cathode-ray tubes | Kathodenstrahlrohre |
| agric. | C.R.S | Rippentabak |
| IT | C.R.T. store | elektrostatischer Speicher |
| tech. | fuel test engine CFR C.F.R. | Kraftstoffpruefmotor zur Bestimmung der Oktanzahl |
| health. | R-C amplifier | R-C-Verstaerker |
| tech. | R.C. circuit | RC=Glied |
| commun., el. | R-C coupling | RC-Kopplung |
| el., construct. | r.c.foundation | Stahlbetonfundament |
| el. | R.C.lamp | stoßfeste Lampe |
| comp., MS | R1C1 notation | R1C1-Schreibweise (" A convention for referencing the location of cells in a worksheet in which both the rows and the columns on the worksheet are numbered. The location of a cell is indicated with an "R" followed by a row number and a "C" followed by a column number.") |