- re—
- rf drive
- ride up
- recondite
- read screen
- republic of equitorial guinea
- rolling stock
- rhodesian man
- republic of namibia
- republic of malawi
- robert woodward
- red wine
- retarder
- rattling sound
- rinderpest
- retinoscopy
- rank correlation coefficient
- renschs desert rule
- ridged torus
- resulting in grief
- reflective scan
- reemergence
- redcoat
- repeated fluttering sounds
- reces method of cephalometry
- recursively enumerable set
- recursive set
- retractile
- running total
- reoxygenation
- return_to_zero recording
- radioprotective agent
- radiation hazard
- rewind time
- radiation efficiency
- radiation necrosis
- reviving
- rase
- rubrocerebellar tract
- rubroreticular
- resident (of)
- reduced to a state of inactivity
- rheum rhaponticum
- rectified signal
- radioscanning
- reflex spasm
- reflex retention
- radio frequency drying
- radio frequency (rf) feeder
- reasonable facilities