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.
QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?

Origin of circle of least confusion

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use circle of least confusion in a sentence

FEEDBACK