actinoid (HyperDic hyper-dictionary)

English > 2 senses of the word *actinoid*:
ADJECTIVE	all	actinoid	having a radial form
NOUN	substance	actinoid, actinide, actinon	any of a series of radioactive elements with atomic numbers 89 through 103

English > *actinoid*: 2 senses > adjective 1
Meaning	Having a radial form.
Example	"starfish are actinoid--that is, they are radially symmetrical"
Broader	actinomorphic, actinomorphous	capable of division into symmetrical halves by any longitudinal plane passing through the axis
Spanish	actínido

English > *actinoid*: 2 senses > noun 1, substance
Meaning	Any of a series of radioactive elements with atomic numbers 89 through 103.
Synonyms	actinide, actinon
Broader	group, grouping	Any number of entities (members) considered as a unit
Spanish	actínido, actínidos
Catalan	actínid

HyperDic: actinoid