unnilquadium
un·nil·qua·dium
noun
1.
a radioactive transuranic element which has been synthesized
Origin
Systematic element name, from un- + nil- + quad- + -ium.
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.