# topology

[tuh-pol-uh-jee]

### noun, plural to·pol·o·gies for 3. Mathematics.

the study of those properties of geometric forms that remain invariant under certain transformations, as bending or stretching.

Also called point set topology. the study of limits in sets considered as collections of points.

a collection of open sets making a given set a topological space.

## Origin of topology

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Related Words for topology

topography, geopolitics, geology, cartography, physiography, topology, chorography## Examples from the Web for topology

### Historical Examples of topology

“Fade is a function of geography and topology,” the graybeard said quietly.

Someone Comes to Town, Someone Leaves TownCory Doctorow

## topology

### noun

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

Online Etymology Dictionary, © 2010 Douglas Harper

## topology

[tə-pŏl′ə-jē]

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.