- 1[countable, usually plural, uncountable] a small hole in a surface, often one of a series of small holes Tear the sheet of stamps along the perforations. He made a small perforation in the lining of the tube.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2[uncountable] (medical) the process of splitting or tearing in such a way that a hole is left Excessive pressure can lead to perforation of the stomach wall.
Check pronunciation: perforation