perforation
English
Pronunciation
- Rhymes: -eɪʃən
Noun
Wikipedia perforation (plural perforations)
- the act of perforating or the state of being perforated
- any opening in a solid object
- (medicine) an abnormal opening in an organ, such as a rupture
- a series of holes punched through something in order to assist in separating parts
- (mathematics) that portion of a surface that remains after an open disk is removed from it