Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to actinide series: lanthanide series
(Elements & Compounds) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
ac′ti•nide se`ries(ˈæk təˌnaɪd)
the series of mostly synthetic radioactive elements whose atomic numbers range from 89 (actinium) through 103 (lawrencium).
Switch to new thesaurus
|Noun||1.||actinide series - (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
series - similar things placed in order or happening one after another; "they were investigating a series of bank robberies"