| Subject | German | English |
| comp. | C3L | complementary constant-current logic |
| gen. | C&L-Meldung | C&L notification |
| health. | C.L.O.-Einheit | cod-liver oil unit |
| tech. | l. c. | loco citato |
| gen. | l. c. | loc. cit. = loco citato |
| polygr. | l.c. | loc. cit. |
| nucl.phys. | ß-3,4-Dihydroxyphenyl-D,L-a-alanin-l-¹¹C | ß-3,4-dihydroxyphenyl-D,L-α-alanine-1-11C |
| nucl.phys. | ß-3,4-Dihydroxyphenyl-D,L-a-alanin-l-¹¹C | 3,4-dihydroxyphenylalanine-xxC |