pinhole
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See also: pin-hole
English
Alternative forms
Etymology
Noun
pinhole (plural pinholes)
- A small hole, of a size that could have been made by a pin
- The aperture in a pinhole camera or camera obscura
- 2012, Caspar Henderson, The Book of Barely Imagined Beings, page 216:
- These [the eyes of the nautilus] are the simplest eyes of any large living animal -- lensless 'pinholes' that project a hazy and rather dim image onto its retinas.
- (networking) A port left unprotected by a firewall to allow a particular application to gain access to a service.
Derived terms
Verb
pinhole (third-person singular simple present pinholes, present participle pinholing, simple past and past participle pinholed)
- (transitive) To form one or more pinholes in.