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Pythagorean

American  
[pi-thag-uh-ree-uhn] / pɪˌθæg əˈri ən /

adjective

  1. of or relating to Pythagoras, to his school, or to his doctrines.


noun

  1. a follower of Pythagoras.

Pythagorean British  
/ paɪˌθæɡəˈriːən /

adjective

  1. of or relating to Pythagoras

  2. denoting the diatonic scale of eight notes arrived at by Pythagoras and based on a succession of fifths

"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

noun

  1. a follower of Pythagoras

"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

Other Word Forms

Derived Forms

Etymology

Origin of Pythagorean

1540–50; < Latin Pȳthagorē ( us ) (< Greek Pȳthagóreios of Pythagoras) + -an

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.

Overhead, a stylized starry sky—gold against deep blue—illustrates the Pythagorean idea of the music of the spheres.

From The Wall Street Journal • Jan. 30, 2026

We still use the Pythagorean theorem and euclidean principles.

From Slate • Sep. 26, 2025

So what exactly is a trigonometric proof of the Pythagorean theorem, and why was Loomis so closed off to the idea?

From Scientific American • Apr. 10, 2023

“Yeah, Pythagorean theorem,” Kelly cracked when asked what he had learned from his players.

From Los Angeles Times • Oct. 28, 2022

When she looked, he pointed to a page with the Pythagorean theorem.

From "Out of Darkness" by Ashley Hope Pérez

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