1. A radioactive transuranic element
   - ununhexium, Uuh, element 116

Type of: chemical element, element

• red-bellied snake
• red-bellied terrapin
• red-bellied turtle
• red-berried elder
• red-blind
• red-blindness
• red-blooded
• red-breasted merganser
• red-breasted nuthatch
• red-breasted sapsucker
• red-breasted snipe
• red-brown
• red-coated
• red-eyed vireo
• red-faced
• red-flowered
• red-flowered silky oak
• red-fruited
• red-gray
• red-green color blindness
• red-green colour blindness
• red-green dichromacy
• red-grey
• red-handed
• red-hot