How to say "grinding" in Japanese

Choosing the right word
  • 研磨けんまCommon
    noun, suru verb, transitive verbCovers grinding and polishing as an abrasive finishing process on a surface, typically in technical or industrial contexts such as machining, materials, or manufacturing.
  • 研ぎとぎCommon
    nounGlossed as sharpening, polishing, and grinding; best when the sense is sharpening or honing a blade or edge rather than an industrial grinding process.

For 'grinding' as an abrasive process, choose 研磨 for grinding or polishing as a technical surface treatment, and 「研ぎ」 when the emphasis is sharpening a blade or edge.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents

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