isotopologue
Noun. (chemistry) any of a group of compounds only differing in their isotopic composition; for example water and heavy water.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.