1. The space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it
   - field, force field

Type of: physical phenomenon

• genus Rhizopus
• genus Rhodanthe
• genus Rhododendron
• genus Rhodosphaera
• genus Rhodymenia
• genus Rhus
• genus Rhyacotriton
• genus Rhynchoelaps
• genus Rhyncostylis
• genus Rhynia
• genus Ribes
• genus Richea
• genus Richmondena
• genus Ricinus
• genus Rickettsia
• genus Riparia
• genus Rissa
• genus Rivina
• genus Rivulus
• genus Robinia
• genus Roccella
• genus Roccus
• genus Rodolia
• genus Romneya
• genus Roridula