definitions

aspherical

or a·spher·ic

[ ey-sfer-i-kuh l or ey-sfer-ik ]
/ eɪˈsfɛr ɪ kəl or eɪˈsfɛr ɪk /

adjective Optics.

(of a reflecting surface or lens) deviating slightly from a perfectly spherical shape and relatively free from aberrations.

Nearby words

asphalt paper, asphalt rock, asphaltene, asphaltite, asphaltum, aspherical, aspherical surface, asphodel, asphyxia, asphyxia livida, asphyxia neonatorum

Origin of aspherical

First recorded in 1920–25; a-6 + spherical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019