Sinonim actinoid

English Thesaurus

1. any of a series of radioactive elements with atomic numbers 89 through 103 (noun.substance)

hypernym	:	group, grouping,
definition	:	any number of entities (members) considered as a unit (noun.tops)

2. having a radial form (adj.all)

similar	:	actinomorphic, actinomorphous,
definition	:	capable of division into symmetrical halves by any longitudinal plane passing through the axis (adj.all)