non-Euclidean

[ non-yoo-klid-ee-uhn ]

/ ˌnɒn yuˈklɪd i ən /

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adjective

differing from the postulates of Euclid or based upon postulates other than those of Euclid.

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

TAKE THE QUIZ TO FIND OUT

Origin of non-Euclidean

First recorded in 1870–75

Words nearby non-Euclidean

nonetheless, none the wiser, none the worse for, nonethnic, none too, non-Euclidean, non-Euclidean geometry, nonevent, No news is good news, nonexclusive, nonexecutive

How to use non-Euclidean in a sentence

The real basis of the non-Euclidean geometry is dimension as direction.
The Mystery of Space|Robert T. Browne
But they constitute the substance of non-Euclidean geometry; they are its blood and sinews.
The Mystery of Space|Robert T. Browne
Lobachevski has proved not, by creating non-Euclidean geometry.
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method|Henri Poincar
Permit me for brevity to call such a movement a non-Euclidean displacement.
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method|Henri Poincar

But it is not enough that the Euclidean (or non-Euclidean) geometry can never be directly contradicted by experience.
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method|Henri Poincar

Scientific definitions for non-Euclidean

non-Euclidean

[ nŏn′yōō-klĭd′ē-ən ]

Relating to any of several modern geometries that are based on a set of postulates other than the set proposed by Euclid, especially one in which all of the postulates of Euclidean geometry hold except the parallel postulate. Compare Euclidean.