swab - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “swab”

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swab

noun [C] uk   /swɒb/  us   /swɑːb/
a small piece of soft material used for cleaning a cut or for taking a small amount of substance from a body, or the substance itself which can then be tested: The nurse cleaned the cut on my leg with a swab. "I'm just going to take a swab of your ear," said the doctor.

swab

verb [T] uk   /swɒb/  us   /swɑːb/ (-bb-)

swab verb [T] (WASH)

to wash a surface, especially the open, flat areas of a ship, with a wet cloth or mop

swab verb [T] (MEDICINE)

to clean a cut or take a small amount of substance from a body using a small piece of soft material
(Definition of swab from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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