Actinium

Translations

actiniumnoun
Actinium is a radioactive element found in uranium ores.
Актиний — это радиоактивный элемент, обнаруженный в урановых рудах.
actiniumadjective
UK
/ækˈtɪn.i.əm/
US
/ækˈtɪn.i.əm/
Used attributively before nouns to describe something containing or relating to actinium.

Definitions

actiniumnoun
A radioactive chemical element with the symbol Ac and atomic number 89, belonging to the actinide series.
Actinium is used as a neutron source and in radiation therapy for cancer treatment.
actiniumadjective
Containing, derived from, or relating to the chemical element actinium.
The researchers examined actinium isotopes for targeted alpha therapy.