 actinon |
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| 1. | [ noun ] (chemistry) any of a series of radioactive elements with atomic numbers 89 through 103 | |
| Synonyms: | actinoid actinide | |
| Related terms: | group chemical_element | |
| Similar spelling: |
actin acting actinal actinia actinic actinozoan actinide actinian actinoid actinium actinism Actinaria Actinidia actinopod Actinozoa action actinolite Actiniaria Actinopoda acting_out acetone accident acetonic acuteness Acton accidence |
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