Meaning & use
Aspherical
Last updated
Not perfectly spherical in shape; describing a lens or surface whose curvature varies to reduce optical distortion.
See it in a sentence
The camera uses an aspherical lens element to minimize edge blur.
Eyeglasses with aspherical lenses tend to look thinner and flatter than standard ones.
A note on using this word
Aspherical lenses are more complex and costly to manufacture than spherical ones, but they correct distortions that spherical designs cannot.
Words with a similar meaning
non-spherical
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Words with an opposite meaning
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