Perforation

Pronunciation

• Rhymes: -eɪʃən

Noun

1. the act of perforating or the state of being perforated
2. any opening in a solid object
3. (medicine) an abnormal opening in an organ, such as a rupture
4. a series of holes punched through something in order to assist in separating parts
5. (mathematics) that portion of a surface that remains after an open disk is removed from it

Derived terms

• perforation gauge