actinide definition

  • noun:
    • some of some chemically similar, radioactive elements with atomic figures including 89 (actinium) through 103 (lawrencium).
    • Any of the 14 radioactive components of the regular dining table that are positioned in lanthanides to which they will have comparable chemistry.
    • some of some radioactive elements with atomic numbers 89 through 103

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    • They do, however, create actinide-free waste…
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