Associations to the word «Actinium»

Wiktionary

ACTINIUM, noun. A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores

Dictionary definition

ACTINIUM, noun. A radioactive element of the actinide series; found in uranium ores.

Wise words

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates