Meaning & Definition of word "Pinhole"
Pinhole
/ˈpɪnˌhoʊl/
noun:
- 1. A very small opening or hole, often used in contexts involving optics or photography.
- Example: The camera uses a pinhole to focus light onto the film.
- 2. A small hole made in a material that allows light or other substances to pass through.
- Example: She noticed a pinhole in the fabric that was letting light through.
- 3. In science, such as in pinhole photography or pinhole cameras, it refers to a concept where an image is formed through a small aperture.
- Example: A pinhole camera works by allowing light to pass through a tiny hole to create an image.
Etymology
●Combines the words 'pin' (for its small size) and 'hole', referring to its shape.
Common Phrases and Expressions
pinhole camera:
A simple type of camera that uses a pinhole instead of a lens to focus light.
pinhole surgery:
A minimally invasive surgical technique that involves small incisions.
Related Words
aperture:
An opening or hole through which light travels.
lens:
A piece of transparent material that focuses or disperses light.
Slang Meanings of pinhole
Meaning: Pinhole as a euphemism for a small space.
● Example Sentence: I squeezed through a pinhole to get into the garden.
Meaning: Used in a phrase to describe something negligible or minor.
● Example Sentence: That issue is just a pinhole in the grand scheme of things.