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Definition of valve noun from the Oxford Advanced Learner's Dictionary

valve

noun
 
/vælv/
 
/vælv/
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  1. a device for controlling the flow of a liquid or gas, letting it move in one direction only
    • The plumber will fit some new safety valves.
    • You need special tools to open the valve.
    Oxford Collocations Dictionaryadjective
    • safety
    • shut-off
    • non-return
    • …
    verb + valve
    • fit
    • install
    • open
    • …
    See full entry
  2. (anatomy) a structure in the heart or in a vein that lets blood flow in one direction only
    Oxford Collocations Dictionaryadjective
    • safety
    • shut-off
    • non-return
    • …
    verb + valve
    • fit
    • install
    • open
    • …
    See full entry
  3. (music) a device in some brass musical instruments for changing the noteTopics Musicc2
    4. Word Originlate Middle English (denoting a leaf of a folding or double door): from Latin valva.
See valve in the Oxford Advanced American DictionarySee valve in the Oxford Learner's Dictionary of Academic English
Check pronunciation: valve

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dizzy
adjective
 
 
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