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English[edit]
Etymology[edit]
keyhole + -ing
keyholing
- present participle and gerund of keyhole
keyholing (uncountable)
- (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.
- (lasers) The formation of a transient column of vapor or plasma when using high energy beams, such as lasers, for welding or cutting.
