9 letters · 9 points in Scrabble
noun a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
originEtymology tree English tantalum Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English tantalite From tantalum + -ite.
Etymology from Wiktionary, CC BY-SA 3.0