keyholing

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English[edit]

Etymology[edit]

keyhole +‎ -ing

Verb[edit]

keyholing

  1. present participle of keyhole

Noun[edit]

keyholing (uncountable)

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