Having holes or openings made through something, either intentionally or as a result of damage. Often describes materials with a regular pattern of holes for specific functional purposes.
From Latin 'perforatus,' past participle of 'perforare' (to bore through), from 'per-' (through) + 'forare' (to bore, pierce). The word entered English in the 15th century and has maintained its core meaning of piercing or puncturing.
Perforation is everywhere in daily life - from toilet paper's easy-tear lines to the acoustic tiles in concert halls that control sound. The most famous perforations might be postage stamps, where the tiny holes allow precise tearing while keeping the stamp intact.
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