incommutability
in·com·mu·tability
noun
1.
the quality of being not interchangeable
Origin
Latin incommutabilitas: compare French incommutabilité.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.