Cruik·shank 
(krkshăngk′), George 1792-1878.
(krkshăngk′), George 1792-1878. British caricaturist and illustrator of the works of Charles Dickens and other novelists.
- radionuclide
- radiopacity
- radiopaque
- radiopharmaceutical
- radiophone
- radiophonic
- radiophoto
- radiophotograph
- radiophotography
- radioscopic
- radioscopical
- radioscopy
- radiosensitive
- radiosensitivity
- radiosonde
- radio spectrum
- radiosurgery
- radiotelegraph
- radiotelegraphic
- radiotelegraphy
- radiotelephone
- radiotelephonic
- radiotelephony
- radio telescope
- radiotherapist