noun
shavings; filings; scrapings
Refers to small pieces or powder produced by shaving, filing, or scraping a material such as wood, metal, or plastic.
作業台の上に木の削り粕が散らばっていた。
Wood shavings were scattered on the workbench.
金属をやすりで削った削り粕を掃除機で吸い取
I vacuumed up the metal filings from filing the metal.
削り粉 often refers to fine powder or specifically bonito flakes (削り節), while 削り粕 is more general for shavings or filings of any material.
Compound of 削り (けずり, 'shaving', from 削る) and 粕 (かす, 'scrap, residue').