actinide

• Substantiv, das jedes der radioaktiven metallischen Elemente mit den Ordnungszahlen 89 bis 103 bezeichnet.

A noun referring to any of a series of radioactive metallic elements with atomic numbers ranging from 89 to 103.

1. Radioactive element seriesC2formalscientific

   Any of a series of radioactive metallic elements with atomic numbers ranging from 89 (actinium) to 103 (lawrencium).

   Actinid

   • Uranium and plutonium are well-known actinides used in nuclear reactors.
   • The actinide series is part of the periodic table's f-block.
   • Scientists study actinides for their unique radioactive properties.

   Synonymeactinoid