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actinide Definition

ac·ti·nide (aktə nīd′)

noun

any of the elements in the series (actinide series) of radioactive, metallic chemical elements from element 89 (actinium) through element 103 (lawrencium): actinides resemble lanthanides in electronic structure

Etymology: < actin(ium) + -ide

actinide Usage Examples

Modifies a noun

  • element: The chemistry of selected actinide elements is being investigated.
  • system: On the other hand, actinide systems do not fit in such a description.
  • ion: These will be used for complexing and transporting lanthanide and actinide ions.
  • complex: The CPL of single crystals of lanthanide and actinide complexes.

Browse dictionary entries near actinide

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