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Meaning of junk ring | Babel Free

Noun CEFR B2

Definitions

A wide ring which fits in a groove around the piston of an internal combustion engine to keep it steamtight by retaining the packing in place.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

junk science junk shop junk shot junk sickness junk sport junk time

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