perforation
noun
- one of a series of small holes in a thin material or web, or the process of making such holes
Wiktionary
Pronunciation: /ˌpɚfəˈreɪʃən/ / /ˌpəːfəˈreɪʃən/
noun
- The act of perforating or the state of being perforated.
- Any opening in a solid object.
- An abnormal opening in an organ, such as a rupture.
- A series of holes punched through something in order to assist in separating parts.
- That portion of a surface that remains after an open disk is removed from it.