| 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 |
| 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 |
| 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 |
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