Definities van Oosthoek encyclopedie in de Ensie R
- Raffinaderij
- Raffinose
- Raffles (sir thomas stanford)
- Rafflesia
- Rafflesiaceeën
- Ragaz
- Ragaz (leonhard)
- Ragnarök
- Ragusa
- Raiffeisenbanken
- Railcontact
- Railrem
- Railway-spine
- Raima
- Raimund (ferdinand)
- Rainier (mount)
- Raja
- Raja (boekit)
- Râjaçekhara
- Rajidae
- Rajputen
- Rak
- Raket
- Raki
- Rakoczy
- Rákosi
- Râksasas
- Râleigh
- Rallen
- Rallidae
- Râma
- Ramadhân
- Râmâyana
- Rambouillet
- Rambouillet-schapen
- Rameau (jean philippe)
- Ramee (louise de la)
- Ramèh of chinagras
- Ramĕlan
- Ramenas
- Ramesseum
- Ramischia
- Rammekens
- Rammelaar
- Rammelsberg
- Ramondia
- Rampog
- Rampolla del tindaro (mariano)
- Ramsay
- Ramses
- Ramsgate
- Ramtill-olie of niger-olie
- Ramus
- Rana
- Ranales
- Rancé (armand-jean le bouthillier, seigneur de)
- Ranchito-meteoriet
- Randers
- Randhoek
- Randia
- Randinzinking
- Randkaas
- Randzee
- Rangabês (aléxandros risos)
- Rangifer
- Rangoen
- Rank
- Ranke
- Rankpootkreeften
- Ranoiapo
- Ranonkel
- Ransdorp
- Ransuil
- Ranté pao
- Ranunculaceae
- Ranunculus
- Ranzig
- Raoeng
- Rapaces
- Rapallo
- Rapat
- Raphanus
- Raphe
- Raphiden
- Rapilli
- Rapin thoyras (paul de R. heer de thoyras)
- Rappen
- Rappoltsweiler
- Rapporteur
- Rapunzel
- Rara avis
- Rás
- Ras aldjethi
- Raschi
- Rasen(n)a
- Rasjbam
- Rask (rasmus kristian)
- Raskolniki
- Rasoel allah
- Rasores
