Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

circle of least confusion

noun, Optics.
1.
the smallest cross section in a beam of paraxial rays, lying in the plane of least spherical aberration.
Origin of circle of least confusion
1865-1870
First recorded in 1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source

Word of the Day

Nearby words for circle of least confusion

Word Value for circle

10
13
Scrabble Words With Friends