Aperture
/ˈæpərtʃʊr/noun
A hole or opening which light or other substances can pass through.
The camera had a small aperture that let in just enough light to capture the image.
Often appears as...
- camera aperture
- aperture size
Usage tips
Technical
Definition 1 of 5
Pro Tip 1/3Light Control
In general context, 'aperture' refers to how much light or substance can pass. Larger apertures mean more light.
The room brightened as he opened the aperture of the window.
Pro Tip 2/3Functional Diversity
'Aperture' is not limited to light; it can refer to any substance moving through an opening.
The aperture of the pipe allowed water to flow freely.
Pro Tip 3/3Specificity
An aperture is specific and often designed for a precise function or effect.
The device's aperture was calibrated for optimal airflow.
Compare with
gapholeopenorificeoutletpassageslotvent
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