ˌirəˈdäzˌmēn, ˌīr-, -_mə̇n noun
( -s )
Etymology: German iridosmin, from irid- + New Latin osm ium + German -in -ine
: a mineral consisting of a native iridium osmium alloy usually containing some rhodium and platinum and found in tin-white or steel-gray grains isomorphous with siserskite