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[hoh-mee-uh-mawr-fiz-uh m] /ˌhoʊ mi əˈmɔr fɪz əm/
similarity in crystalline form but not necessarily in chemical composition.
Mathematics. a function between two topological spaces that is continuous, one-to-one, and onto, and the inverse of which is continuous.
Origin of homeomorphism
First recorded in 1850-55; homeomorph + -ism
Related forms
homeomorphic, homeomorphous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for homeomorphism


the property, shown by certain chemical compounds, of having the same crystal form but different chemical composition
(maths) a one-to-one correspondence, continuous in both directions, between the points of two geometric figures or between two topological spaces
Derived Forms
homeomorphic, homeomorphous, homoeomorphic, homoeomorphous, adjective
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
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Word Origin and History for homeomorphism

1854, from homeomorphous (1832), from homeo- + morphous (see metamorphosis); originally of crystals. Homeomorphic is from 1902.

Online Etymology Dictionary, © 2010 Douglas Harper
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homeomorphism in Science
  1. A close similarity in the crystal forms of unlike compounds.

  2. A one-to-one correspondence between the points of two geometric figures such that open sets in the first geometric figure correspond to open sets in the second figure and conversely. If one figure can be transformed into another without tearing or folding, there exists a homeomorphism between them. Topological properties are defined on the basis of homeomorphisms.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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