8 letters · 11 points in Scrabble
noun any of a series of radioactive elements with atomic numbers 89 through 103
adjective having a radial form
originEtymology tree Ancient Greek ᾰ̓κτῑ́ς (ăktī́s)der. English actino- English actin- Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English…
Etymology from Wiktionary, CC BY-SA 3.0