ACTINIDE


Meaning of ACTINIDE in English

n. (also actinoid) Chem. any of the series of 15 radioactive elements having increasing atomic numbers from actinium to lawrencium.

Phrases and idioms:

actinide series this series of elements.

Etymology: ACTINIUM + -IDE as in lanthanide

Oxford English vocab.      Оксфордский английский словарь.