aspherical

[ ey-sfer-i-kuhl ]

/ eɪˈsfɛr ɪ kəl /

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adjective Optics.

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

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Also a·spher·ic

[ey-sfer-ik] /eɪˈsfɛr ɪk/ .

Origin of aspherical

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

Words nearby aspherical

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