left·ism also Left·ism 
(lĕftĭz′əm)
(lĕftĭz′əm)n.
1. The ideology of the political left.
2. Belief in or support of the tenets of the political left.
leftist adj. & n.
- radiologically
- radiologist
- radiology
- radiolucency
- radiolucent
- radiolysis
- radiolytic
- radioman
- radiometer
- radiometric
- radiometric dating
- radiometry
- radiomimetic
- radionuclide
- radiopacity
- radiopaque
- radiopharmaceutical
- radiophone
- radiophonic
- radiophoto
- radiophotograph
- radiophotography
- radioscopic
- radioscopical
- radioscopy