patency

patency

[peyt-n-see, pat-]
noun
1.
the state of being patent.
2.
Medicine/Medical. the condition of not being blocked or obstructed.
3.
Phonetics. openness of articulation, found more or less in all phonemes except stops.

Origin:
1650–60; pat(ent) + -ency

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Collins
World English Dictionary
patency (ˈpeɪtənsɪ)
 
n
1.  the condition of being obvious
2.  the state of a bodily passage, duct, etc, of being open or unobstructed
3.  phonetics See also closure the degree to which the vocal tract remains unobstructed in the articulation of a speech sound

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

patency pa·ten·cy (pāt'n-sē)
n.
The state or quality of being open, expanded, or unblocked.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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