R |
||
Röntgenstrahlen | rayons x | x rays |
Radioaktivität | radioactivité | radioactivity |
Radium | radium | radium |
Radiochemie | radiochimie | radiochemistry |
Radon | radon | radon |
Rauch | fumée | smoke |
Reinstoff | corps pur | pure matter |
Rhenium | rhénium | rhenium |
Rhodium | rhodium | rhodium |
Rubidium | rubidium | rubidium |
Ruthenium | ruthénium | ruthenium |