The AI-powered English dictionary
countable and uncountable, plural perforations
The act of perforating or the state of being perforated. examples
Any opening in a solid object. examples
(medicine) An abnormal opening in an organ, such as a rupture. examples
A series of holes punched through something in order to assist in separating parts. examples
(mathematics) That portion of a surface that remains after an open disk is removed from it. examples