Dictionary.com

circle of least confusion

Save This Word!

noun Optics.

the smallest cross section in a beam of paraxial rays, lying in the plane of least spherical aberration.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of circle of least confusion

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for circle of least confusion

Tired of Typos? Get Help Now!