aspheric
adjective
aspher·ic
(ˌ)ā-ˈsfir-ik 
-ˈsfer-
variants
or aspherical
(ˌ)ā-ˈsfir-i-kəl
-ˈsfer-
: departing slightly from the spherical form especially in order to correct for spherical aberration
an aspheric lens
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“Aspheric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aspheric. Accessed 23 Apr. 2024.
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aspheric
adjective
aspher·ic
(ˈ)ā-ˈsfi(ə)r-ik, -ˈsfer-
variants
or aspherical
: departing slightly from the spherical form especially in order to correct for spherical aberration
an aspheric lens
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