1. The openness (lack of obstruction) of a bodily passage or duct 
2. The property of being easy to see and understand
   - obviousness, noticeability, noticeableness

Derived forms: patencies

See also: noticeable, obvious, patent, unnoticeable, unobvious

Type of: conspicuousness, openness

• red giant star
• red ginger
• red goatfish
• red goosefoot
• red gram
• red grouse
• Red Guard
• red gum
• Red Hand Defenders
• red haw
• red heat
• red helleborine
• red herring
• Red Indian
• red jungle fowl
• red juniper
• red kauri
• red lauan
• red lauan tree
• red laver
• red lead
• red light
• red man
• red maple
• red marrow