希き土ど類るい元げん素そMeaningsNoun1. rare-earth element; rare-earth metalOther spellings稀き土ど類るい元げん素そUsage share unknownKanji used希dilute土earth類kind (of something)元origin素elementaryKanji in other spellings稀rarePitch accentきどるいげんそComposed of希きdilute; rare; GreecePrefix土どSaturday; earth; dirt; soil; land; lands; ground; earth (third of the five elements)Noun類るいkind; sort; type; class; genus; order; family; similar example; parallel; the likeNoun元げん素そelement; chemical element; (classical) element (e.g. earth, water, air, fire)Noun