Noun patency has 2 senses
  1. patency - the openness (lack of obstruction) of a bodily passage or duct
    --1 is a kind of
    openness
  2. obviousness, noticeability, noticeableness, patency - the property of being easy to see and understand
    --2 is a kind of conspicuousness
    --2 has particulars:
     apparentness, apparency; blatancy; predomination, predominance
    Derived form: verb patent3
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