Orientability

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, orientability is a property of some topological spaces such as real vector spaces, Euclidean spaces, surfaces, and more generally manifolds that allows a consistent definition of "clockwise" and "anticlockwise".

Excerpt from the Wikipedia article “Orientability”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Lucas Vieira, Public domain, via Wikimedia Commons.