Definition of perforation
1 : the act or process of perforating
2a : a hole or pattern made by or as if by piercing or boringb : one of the series of holes (as between rows of postage stamps) in a sheet that serve as an aid in separation
Examples of perforation in a sentence
an infection that can cause perforation of the intestine
<absentmindedly made perforations in his paper with his pencil>
First Known Use of perforation
PERFORATION Defined for English Language Learners
Definition of perforation for English Language Learners
: a small hole or series of small holes in paper, cardboard, etc.
medical : a hole in part of the body caused by an accident or disease
Medical Definition of perforation
1: the act or process of perforating; specifically : the penetration of a body part through accident or disease <spontaneous perforation of the sigmoid colon in the presence of diverticulosis—Journal of the American Medical Association>
2a: a rupture in a body part caused especially by accident or diseaseb: a natural opening in an organ or body part
Seen and Heard
What made you want to look up perforation? Please tell us where you read or heard it (including the quote, if possible).