1. Not resulting in vision
   "nonvisual stimuli"

See also: invisible, unseeable

• rimu
• rimy
• rind
• rinderpest
• ring
• ring a bell
• ring armor
• ring armour
• ring blackbird
• ring containment
• ring dance
• ring disease
• ring finger
• ring girl
• Ring Lardner
• ring mail
• ring of color
• ring of colour
• ring out
• ring ouzel
• ring pull
• ring rot
• ring rot bacteria
• ring rot fungus
• ring snake