JMdict: 1646030

穿孔 【せんこう】

  1. [n,vs,vi] perforation; punching; boring; drilling
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
穿 Put On (to The Feet), Dig, Pierce, Drill セン うが.つ, は.く
孔 Cavity, Hole, Slit, Very, Great, Exceedingly コウ, ク あな