13 letters · 16 points in Scrabble
noun any of the artificially produced elements with atomic numbers greater than 103
adjective of or belonging to the elements with atomic numbers greater than 103
originEtymology tree Proto-Indo-European *terh₂- Proto-Indo-European *-t Proto-Indo-European *térh₂t Proto-Indo-European *-ónts Proto-Indo-European *tr̥h₂ónts Proto-Indo-European *tr̥h₂n̥ts Proto-Italic *trāns Proto-Italic *trāns- Latin trans-bor. English trans- English actinide English transactinide From trans- + actinide.
Etymology from Wiktionary, CC BY-SA 3.0