groupoid
Americannoun
Etymology
Origin of groupoid
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 big problem with the fundamental groupoid is that points and paths do not detect the higher-dimensional structure of a space, because the point and interval are themselves zero- and one-dimensional, respectively.
From Scientific American • Sep. 14, 2021
In contrast, in the fundamental groupoid of the disk, there is only one path up to homotopy between any pair of points.
From Scientific American • Sep. 14, 2021
The fundamental groupoid is not a complete invariant, however.
From Scientific American • Sep. 14, 2021
The basic thing he discovered was a “groupoid,” and a groupoid is what is used in category theory nowadays.
From Scientific American • Nov. 5, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
