تعريف actinide series في الإنجليزية الإنجليزية القاموس.
(chemistry) a series from actinium to lawrencium of 15 radioactive elements with increasing atomic numbers a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
(chemistry) a series from actinium to lawrencium of 15 radioactive elements with increasing atomic numbers
a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium