Definitions
a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic
Word origin
From Ancient Greek δυσπρόσιτος (dusprósitos, “hard to get”) + -ium. Compare also unobtainium.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Element number 66”10 letters
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