perforated
adj. B2 Upper Intermediate US //ˈpɝfɝˌeɪtɪd// UK //pˈɜːfəɹˌeɪtɪd// per·fo·rat·ed
adj. having a row of small holes that make it easy to tear or let air through. You often see this on paper or stamps.
adj. pierced with a series of small holes, typically to facilitate easy separation or to allow for ventilation. Often used as a participial adjective to describe manufactured goods.
The notebook has perforated pages for easy removal.
The architect specified perforated metal panels to allow natural light into the building while maintaining privacy.
Each sheet of stamps is carefully perforated during the printing process to ensure that collectors can separate them without damaging the delicate edges of the paper.
Usage
Typically used as an attributive adjective before a noun.