pinhole

English dictionary entry

Meanings

noun
  1. A small hole, of a size that could have been made by a pin
  2. The aperture in a pinhole camera or camera obscura
  3. A port left unprotected by a firewall to allow a particular application to gain access to a service.
  4. A clipping of pinhole eye, which refers to the compact eye structure associated with intense tropical cyclones.
verb
  1. To form one or more pinholes in.

Pronunciation

/ˈpɪnˌhoʊl/

Word forms

pinhole pinholes pin-hole pinholing pinholed

Etymology

From pin + hole.

Derived words

pinhole camera pinhole chert pinhole detector pinhole glasses pinhole grass pinhole pupil
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