English Dictionary

keyholing

名詞

不可算名詞

(firearms) The tendency of a bullet fired down an excessively large barrel to wobble in flight and leave a keyhole-shaped puncture in the target.

日本語の意味

大口径の銃身から発射された弾丸が、飛行中にブレや揺れを生じ、標的に鍵穴状の穿孔（貫通傷）を残す現象

During the forensic test, the investigator noted keyholing on the steel plate, indicating that the bullet had wobbled in flight.

鑑識の試験で、捜査官は鋼板に鍵穴状の貫通痕を確認し、それは弾丸が飛翔中に揺れていたことを示していた。

意味（1）

(firearms) The tendency of a bullet fired down an excessively large barrel to wobble in flight and leave a keyhole-shaped puncture in the target.

意味（2）

(lasers) The formation of a transient column of vapor or plasma when using high energy beams, such as lasers, for welding or cutting.