aperture
Pronunciation: [ˈæpərtʃər]
Context: “photography”
(noun) an opening in a camera that lets in light. It helps to control how much light gets in so your pictures can be bright and clear.
Example
The photographer used a wide aperture to take beautiful, bright photos.
Example
If the aperture is too small, the photos will be too dark and unclear.
Example
What aperture should I use for taking pictures in low light?
Context: “science”
(noun) a hole or gap in something that lets things pass through, like light or sound. It's like a window that allows something to come in.
Example
The scientist discovered a small aperture in the wall that let light seep into the dark room.
Example
There was no aperture in the sealed container, so nothing could get in or out.
Example
Can you find the aperture that allows sound to travel through this material?
Context: “engineering”
(noun) a hole or opening in machinery or structures designed for specific purposes, allowing things like air or fluids to pass through.
Example
The engineer designed an aperture to improve airflow in the system.
Example
Without a proper aperture, the machine was unable to function efficiently.
Example
How does the size of the aperture affect the machine’s performance?