- patency - the openness (lack of obstruction) of a bodily passage or duct
--1 is a kind of openness
- 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 - obviousness, noticeability, noticeableness, patency - the property of being easy to see and understand