noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A hexagonal-dihexagonal dipyramidal yellowish steel gray mineral containing iridium, iron, osmium, and ruthenium. uncountable
2. 2
   A hexagonal-close-packed allotrope of iron, stable only at high pressure. uncountable

Synonyms

All synonyms

epsilon iron

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.