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circle of least confusion
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This shows grade level based on the word's complexity.
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
Words nearby circle of least confusion
circle jerk, circle of confusion, circle of convergence, circle of curvature, circle of declination, circle of least confusion, circle of Willis, circle-out, circlet, circle time, Circleville
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022