小壶菌属：旧分类中的一属细菌，现归于支原体属(Mycoplasma)- radiocalcium
- radiocarbon
- radiocarcinogenesis
- radiocardiogram
- radiocardiography
- radiocarpal
- radiocarpus
- radiochemistry
- radiochemy
- radiochroism
- radiocinematograph
- radiocolloids
- radiocurable
- radiocystitis
- radiode
- radiodense
- radiodensity
- radiodermatitis
- radiodiagnosis
- radiodiagnostics
- radiodiaphane
- oxaprozin
- oxarbazole
- oxatomide
- oxazepam