ra·di·o·chem·is·try 
(rā′dē-ō-kĕmĭ-strē)
(rā′dē-ō-kĕmĭ-strē)n.
The chemistry of radioactive materials.
ra′di·o·chemi·cal (-ĭ-kəl) adj.
- master gunnery sergeant
- master key
- masterliness
- masterly
- master mariner
- master mason
- mastermind
- master of ceremonies
- masterpiece
- master plan
- master race
- master's
- Masters
- Masters
- masters-at-arms
- master's degree
- master sergeant
- mastership
- mastersinger
- Masterson
- masterstroke
- masterwork
- mastery
- masthead
- mastic