aspherical

[ ey-sfer-i-kuhl ]

adjective

, Optics.

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

Word History and Origins

Origin of aspherical¹

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

Example Sentences

Larger fibers with optimized freeform and aspherical lens designs or a combination of lenses printed directly onto the fiber could help improve the output power.

From Science Daily

This oddity can be explained by an aspherical explosion of the supernova, Ezzeddine says.

From Scientific American

As it eats, the phalarope moves its beak in a rapid tweezing motion, transforming food-laden droplets of water into aspherical shapes that are propelled up into its mouth.

From The New Yorker

Furthermore, they found just one aspherical supernova explosion that could yield the observed zinc signal and other characteristics of HE 1327-2326.

From Scientific American

“Now we have some motivation to look at aspherical supernovae,” he says.

From Scientific American