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

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats