iridium
A chemical element with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.
Other meanings
A single atom of this element.
A kind of
- metallic element
Related words
- diiridium
- iridarsenite
- iridate
- iridian
- iridiferous
- organoiridium
- radioiridium
- triiridium
- heterochromia iridium
- eka-iridium
- iridiate
- iridic
Word history
From Ancient Greek "ἶρις" (rainbow).
Where this comes from
This definition is adapted from “iridium” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.