JMdict: 1457110

突破口 【とっぱこう】

  1. [n] breakthrough (research, etc.); breach; opening
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
突 Stab, Protruding, Thrust, Pierce, Prick, Collision, Sudden トツ, カ つ.く
破 Rend, Rip, Tear, Break, Destroy, Defeat, Frustrate ハ やぶ.る, やぶ.れる, わ.れる
口 Mouth コウ, ク くち