actinoid : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: actinoid	by the DICT Development Group
2 results for actinoid
From WordNet (r) 3.0 (2006) [wn]:
actinoid 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 Synonym(s): actinoid, actinide, actinon
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Actinoid \Ac"tin*oid\, a. [Gr. [?], [?], ray + -oid.] Having the form of rays; radiated, as an actinia.