aspherical

[ ey-sfer-i-kuhl ]

/ eɪˈsfɛr ɪ kəl /

Save This Word!

(of a reflecting surface or lens) deviating slightly from a perfectly spherical 1 shape and relatively free from aberrations.

QUIZZES

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!

Question 1 of 12

On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Also a·spher·ic

[ey-sfer-ik] /eɪˈsfɛr ɪk/ .

First recorded in 1920–25; a-⁶ + spherical