Browse the Concise Encyclopedia
- rayonnant style
- razor clam
- rca corp.
- re
- reactance
- reaction rate
- reaction, heat of
- reader's digest
- reading
- ready-made
- real and personal property
- real number
- realism
- realpolitik
- reamer
- reaper
- rebate
- receivership
- recession
- recessiveness
- recife
- reciprocity
- recitative
- recognizance
- recombinant dna technology
- recombination
- reconstruction
- reconstruction finance corporation (rfc)
- reconstructionism
- recorder
- rectum
- recycling
- red army
- red brigades
- red cross
- red deer
- red eyebrows
- red fox
- red guards
- red river indian war
- red sea
- red soil
- red square
- red tide
- red turbans
- red-figure pottery
- redbud
- redfish
- redshift
- redstart
- reduction
- redwood
- redwood national park
- reed
- reed instrument
- reeds, plain of
- reference frame
- referendum and initiative
- reflection
- reflex
- reform bill of 1832
- reform bill of 1867
- reform bill of 1884–85
- reform judaism
- reform party
- reforma, la
- reformation
- reformed church
- refraction
- refractory
- refrigeration
- refugee
- régence style
- regency style
- reggae
- regiment
- regional development program
- regression
- regressive tax
- regulators of north carolina
- regulatory agency
- reichstag fire
- reign of terror
- reincarnation
- reindeer
- reinforced concrete
- reinsurance treaty
- relapsing fever
- relation
- relational database
- relativism
- relativity
- relay race
- relief
- religion
- religion, philosophy of
- religion, wars of
- religious science
- remagen
- remora