allotropy
al·lot·ropy
noun
1.
the phenomenon of an element existing in two or more physical forms
Origin
Ancient Greek άλλοτροπἱα (állotrophia), from allo- + -tropy, coined by Swedish chemist Jöns Jacob Berzelius.
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.