| Noun | 1. | Cf - a radioactive transuranic element; discovered by bombarding curium with alpha particles Synonyms: atomic number 98, californium |
| 2. | CF - the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure | |
| Adv. | 1. | cf - compare (used in texts to point the reader to another location in the text) |
| (networking) | cf - The country code for the Central African Republic. |