A small hole, of a size that could have been made by a pin
Used in a Sentence
pinhole
Definitions, parts of speech, synonyms, and sentence examples for pinhole.
Editorial note
When a camera is stopped down, the edges of the image are mapped by the opposite edge of the lens, more like a pinhole camera.
Examples13
Definitions4
Parts of speech2
Quick take
A small hole, of a size that could have been made by a pin
Meaning at a glance
The clearest senses and uses of pinhole gathered in one view.
The aperture in a pinhole camera or camera obscura
(transitive) To form one or more pinholes in.
Definitions
Core meanings and parts of speech for pinhole.
noun
A small hole, of a size that could have been made by a pin
noun
The aperture in a pinhole camera or camera obscura
verb
(transitive) To form one or more pinholes in.
noun
(networking) A port left unprotected by a firewall to allow a particular application to gain access to a service.
Example sentences
When a camera is stopped down, the edges of the image are mapped by the opposite edge of the lens, more like a pinhole camera.
When the can is opened, the pressure is released and the small amount of beer in the cavity is forced back through the pinhole quite violently.
Afaik UK ATMs do use chip-and-pin -- the thiefs you referenced installed a pinhole camera in order to retrieve PINs.
Yes, was walking passed UK bank as it opened the other day and the anti-pinhole camera protocol was being carried out.
The last time it was Caravaggio using mercury salt and a pinhole camera setup.
A pinhole like that is not going to affect pressurization in the least.
The LCD modulates between the image being displayed and a pinhole mask.
But, the pixel itself is a pinhole viewport into that area.
For anyone working with or on computer vision applications, the difference is startling obvious: anything with a lens larger than the typical mobile phone/tablet slightly-larger-than-a-pinhole produces useful images, whereas mobile camera images are impressionistic blotchy messes.
I do close the door, but I don't search for pinhole cameras in public bathrooms, in spite of the fact that some exist.
I wonder if there's an analogy to be drawn between the pinhole mask they use and the lithography masks used to etch ICs on silicon.
Sounds like Alan Kay is looking at the world of business through a pinhole in the floor of his car when he'd be better off looking through the windshield.
Quote examples
Like a hand-made pinhole or slit camera, the break from "reality" could be seen as the artifacts of the method.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use pinhole in a sentence?
When a camera is stopped down, the edges of the image are mapped by the opposite edge of the lens, more like a pinhole camera.
What does pinhole mean?
A small hole, of a size that could have been made by a pin
What part of speech is pinhole?
pinhole is commonly used as noun, verb.