perforation

Tanımlar (İngilizce)

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