Meaning & Definition of word "Aperture"
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Aperture
/ˈæp.ər.tʃər/
noun:
- 1. An opening, hole, or gap, especially one that allows light to enter.
- Example: The photographer adjusted the aperture of his camera to let in more light.
- 2. The diameter of the entrance pupil of a camera lens, expressed in f-stops.
- Example: A larger aperture creates a shallow depth of field, which is perfect for portrait photography.
- 3. In optics, the opening through which light passes in an optical instrument.
- Example: The telescope's aperture determines how much light can be collected for viewing distant stars.
Etymology
From Latin 'apertura', meaning 'opening, gap'.
Common Phrases and Expressions
wide aperture:
A setting on a camera lens that allows a lot of light to enter, used for artistic effects.
aperture priority:
A camera mode where the user sets the aperture and the camera adjusts the shutter speed.
aperture science:
A fictional research organization featured in the video game Portal.
Related Words
lens:
A transparent optical device that refracts light.
camera:
An instrument for capturing images.
focus:
The adjustment of a lens to make the image clear.
Slang Meanings of aperture
Meaning: A term used in photography circles to describe a setting that lets a lot of light in.
Example Sentence: When shooting in low light, make sure your aperture is wide open.
Meaning: Used metaphorically to describe any opportunity or opening that allows for progress.
Example Sentence: The new job offer was a great aperture for her career.