单词	aspheric
释义	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 Word History First Known Use 1869, in the meaning defined above Medical Definition aspheric adjective aspher·​ic (ˈ)ā-ˈsfi(ə)r-ik, -ˈsfer-  variants or aspherical -i-kəl  : departing slightly from the spherical form especially in order to correct for spherical aberration an aspheric lens
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