AskDefine | Define pinhole

Dictionary Definition

pinhole n : a small puncture that might have been made by a pin

User Contributed Dictionary



  1. A small hole, of a size that could have been made by a pin

Extensive Definition

A pinhole is a small hole in the surface or interior of a material. Pinhole can also mean:
  • Pinhole (band), a rock band from Liverpool, England, later to become The Dead 60s
  • Pinhole camera, a camera that uses a pinhole to form an image instead of a lens
  • Firewall pinhole, in computer networking, describes a port that is opened through a firewall to allow a particular application to gain controlled access to the protected network

Synonyms, Antonyms and Related Words

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