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Any of a series of radioactive elements with atomic numbers 89 through 103
Answer for the clue "Any of a series of radioactive elements with atomic numbers 89 through 103 ", 8 letters:
actinoid
Word definitions for actinoid in dictionaries
Wiktionary
Word definitions in Wiktionary
a. Having the form of rays; radiated, as in the species of the family ''(taxlink Actiniidae family noshow=1)''. n. (context inorganic chemistry English) actinide
WordNet
Word definitions in WordNet
adj. having a radial form; "starfish are actinoid--that is, they are radially symmetrical" n. any of a series of radioactive elements with atomic numbers 89 through 103 [syn: actinide , actinon ]
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Actinoid \Ac"tin*oid\, a. [Gr. ?, ?, ray + -oid.] Having the form of rays; radiated, as an actinia.