Synonyms of actinoid

Noun


1. actinoid, actinide, actinon, group, grouping

usage: any of a series of radioactive elements with atomic numbers 89 through 103

Adjective


1. actinoid, actinomorphic (vs. zygomorphic), actinomorphous

usage: having a radial form; "starfish are actinoid--that is, they are radially symmetrical"

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Definition and meaning of actinoid (Dictionary)