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perigon

American

[per-i-gon] / ˈpɛr ɪˌgɒn /

noun

an angle of 360°.

perigon British

/ ˈpɛrɪɡən /

noun

Also called: round angle. an angle of 360°

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of perigon

First recorded in 1865–70; peri- + -gon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The terms "complement," "supplement," and "conjugate," meaning the difference between a given angle and a right angle, straight angle, and perigon respectively, have also entered our vocabulary and need defining.

From The Teaching of Geometry by Smith, David Eugene

There is also the word "perigon," meaning the whole angular space about a point.

From The Teaching of Geometry by Smith, David Eugene

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023