先せん端たん形けい状じょう

noun

tip shape; nose shape

Refers to the shape of the tip or nose of an object, such as a tool, projectile, or aircraft. Common in technical and engineering contexts.

• このミサイルの先せん端たん形けい状じょうは空くう気き抵てい抗こうを減へらすように設せっ計けいされている。

  The nose shape of this missile is designed to reduce air resistance.

• ドリルの先せん端たん形けい状じょうによって穴あなあけの精せい度どが変かわる。

  The tip shape of the drill affects drilling accuracy.