swarf

[swawrf]
noun
an accumulation of fine particles of metal or abrasive cut or ground from work by a machine tool or grinder.

Origin:
1560–70; < Old Norse svarf, akin to sverfa to file, or continuing Old English geswearf, gesweorf

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swarf (swɔːf, swɑːf)
 
n
1.  material removed by cutting or grinding tools in the machining of metals, stone, etc
2.  radioactive metal waste from a nuclear power station
3.  small fragments of disintegrating spacecraft, orbiting the earth
 
[C16: of Scandinavian origin; related to Old Norse svarf metallic dust]

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Example sentences
For drill presses, you must be protected from the rotating chuck and swarf that is produced by the drill bit.
The secondary aluminum metal industry in the country treats recycled aluminum and low-grade aluminum scrap, such as swarf.
The secondary aluminum metal industry treated recycled aluminum and low-grade aluminum scrap, such as swarf.
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