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actinide - What does it mean?

Definition of 'actinide'

English

Noun

(en-noun)
  • (inorganic chemistry) Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides to which they have similar chemistry.
  • See also

    * (pedia) (top2) * thorium * protactinium * uranium * neptunium * plutonium * americium * curium (mid2) * berkelium * californium * einsteinium * fermium * mendelevium * nobelium * lawrencium (bottom)

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