punc·tur·ation \ˌpəŋ(k)chəˈrāshən, -(k)shəˈ-\noun (-s) Etymology:puncture (II) + -ation 1.: an act or process of puncturing or state of being punctured 2.: form or arrangement of punctures < puncturation fine, the punctures separated by slightly more than their own diameter — Journal of the New York Entomological Society >