swab

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swab

1. Med
a. a small piece of cotton, gauze, etc., for use in applying medication, cleansing a wound, or obtaining a specimen of a secretion, etc.
b. the specimen so obtained
2. a mop for cleaning floors, decks, etc.

swab

[swäb]
(mining engineering)
A pistonlike device provided with a rubber cap ring that is used to clean out debris inside a borehole or casing.
The act of cleaning the inside of a tubular object with a swab.
(petroleum engineering)
In petroleum drilling, to pull the drill string so rapidly that the drill mud is sucked up and overflows the collar of the borehole, thus leaving an undesirably empty borehole.

swab

/swob/ The PDP-11 swap byte instruction mnemonic, as immortalised in the dd option "conv=swab".

1. To solve the NUXI problem by swapping bytes in a file.

2. The program in V7 Unix used to perform this action, or anything functionally equivalent to it.

See also big-endian, little-endian, middle-endian, bytesexual.
References in periodicals archive ?
A total of 3,349 youths between the ages of 10 and 17 were swabbed in 2010 and 2,436 in 2011, according to the figures, obtained by the Post under the Freedom of Information Act.
She had to roll up her trouser leg in public while her prosthetic leg was swabbed in front of other passengers.
2 : to apply medication to with a wad of absorbent material <A nurse swabbed the wound with iodine.
We observed a high protein yield in the swabbed samples that could possibly interfere with the results of future DNA analyses.
Wood and her colleagues swabbed the mouths of 16 volunteers, including people with good oral health and others with various stages of periodontal disease.