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

fluid

noun
 
 
/ˈfluːɪd/
 
/ˈfluːɪd/
[countable, uncountable] (formal or specialist)
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  1. a liquid; a substance that can flow
    • body fluids (= for example, blood)
    • The doctor told him to drink plenty of fluids.
    • cleaning fluid
    see also amber fluid, amniotic fluid, brake fluid, correction fluid
    Extra Examples
    • It's important to replace fluids and salts that are lost during exercise.
    • Retaining excess fluid could be a problem.
    • They drained a lot of fluid from his lungs.
    Oxford Collocations Dictionaryadjective
    • excess
    • amniotic
    • bodily
    • …
    verb + fluid
    • drain
    • drink
    • lose
    • …
    See full entry
    Word Originlate Middle English (as an adjective): from French fluide or Latin fluidus, from fluere ‘to flow’.
See fluid in the Oxford Advanced American DictionarySee fluid in the Oxford Learner's Dictionary of Academic English
Check pronunciation: fluid

Nearby words

trait
noun
 
 
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