patency
Low/C2Formal, Technical
Definition
Meaning
The state of being open, unobstructed, or freely passable.
1. In medicine/biology: The condition of a bodily passage, duct, or vessel being open and functional. 2. In intellectual property law: The state of being patent (i.e., protected). This is a less common and distinct usage. 3. By extension: The quality of being evident, obvious, or easily perceived.
Linguistics
Semantic Notes
Primarily a medical/biological term. The legal sense ('state of being patented') is rare and distinct from the medical sense. Used more in written texts (research, reports) than in everyday conversation.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Both varieties use it predominantly in medical/technical contexts.
Connotations
Technical, precise, clinical. No emotional or cultural connotations.
Frequency
Equally low frequency in both UK and US English, confined to specialised fields.
Vocabulary
Collocations
Grammar
Valency Patterns
patency of (the artery/the tube)to ensure/maintain/restore patencyVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “(There are no common idioms using 'patency')”
Usage
Context Usage
Business
Almost never used. The rare legal sense ('the patency of the invention') might appear in IP law.
Academic
Common in medical, biological, and anatomical research papers and textbooks.
Everyday
Virtually never used in casual conversation.
Technical
The primary domain. Used in medical procedures, diagnoses, engineering (e.g., fluid dynamics), and veterinary science.
Examples
By Part of Speech
verb
British English
- (The related verb is 'patent', but not used in this medical sense.)
American English
- (The related verb is 'patent', but not used in this medical sense.)
adverb
British English
- (No direct adverb. 'Patentably' relates to the legal sense.)
American English
- (No direct adverb. 'Patentably' relates to the legal sense.)
adjective
British English
- The angiogram showed the graft was patent.
- A patent airway is critical for resuscitation.
American English
- The surgeon confirmed the vessel was patent.
- They needed to ensure a patent nasal passage.
Examples
By CEFR Level
- (This word is not suitable for A2 level.)
- (This word is rare even at B1 level.)
- Doctors must ensure the patency of the patient's airway.
- The test checks the patency of the fallopian tubes.
- Long-term patency rates of the new stent design exceeded 90%.
- The study compared the venous patency in two post-operative groups.
Learning
Memory Aids
Mnemonic
Think of a PATENT (open) medicine: a doctor checks the PATENCY (openness) of an artery.
Conceptual Metaphor
HEALTH/FLOW IS OPENNESS (A blocked vessel is unhealthy; an open/patent one allows healthy flow).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'патент' (patent - документ). Основное значение - 'проходимость', 'открытость'.
- Не переводить как 'патентность' в медицинском контексте.
Common Mistakes
- Confusing 'patency' (state of being open) with 'patent' (adjective: open; noun: a licence).
- Mispronouncing as /pəˈten.si/ (stress on the second syllable).
- Using it in non-technical contexts where simpler words like 'openness' or 'clearance' would suffice.
Practice
Quiz
In which context is the word 'patency' MOST commonly used?
FAQ
Frequently Asked Questions
No, it is a low-frequency, specialised term used almost exclusively in medical, biological, and related technical fields.
'Patent' is primarily an adjective meaning 'open, unobstructed' or a noun meaning 'a government licence'. 'Patency' is the noun form describing the *state or condition* of being open or unobstructed.
Rarely. It can be used metaphorically (e.g., 'the patency of his argument was clear'), but this is stylised and uncommon. A second, distinct legal use refers to the state of being patented.
In many contexts, 'openness' or 'lack of blockage' can serve as simpler synonyms, though they lack the precise technical nuance.