| CID | cellular immunodeficiency; charge injection device; chick infective dose; combined immunodeficiency ... |
|---|---|
| CN | caudate nucleus; cellulose nitrate; charge nurse; child nutrition; chloroacetophenone; clinical nurs... |
| DCX | double charge exchange |
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
| Fr | fracture; francium; franklin [unit charge]; French; frequency or frequent |