Definition of perforation:
crater, complication, slit, break, MARKS, punch, stab, cavity, concussion, fracture, hallucination, breach, opening, discharge, rupture, channel, sprain, hole, aperture, hole, blowhole, aetiology, pinprick, scrape, crisis, open, cranny, etiology, abyss, self-injury, chill, bruising, pinhole, bruise, injury, dehydration, chink, loss, wound, puncture, cleft, prick, crack, orifice, aetiology, gap, pathology.
When the tape thus made ready is run rapidly through a transmitting machine, electrical contact occurs wherever there is a perforation, permitting the current from the battery to flow into the line and thus transmit signals correspondingly.- "Edison, His Life and Inventions", Frank Lewis Dyer and Thomas Commerford Martin.
- "The American Reformed Cattle Doctor", George Dadd.
- "The Romance of Natural History, Second Series", Philip Henry Gosse.