Associations to the word «Protactinium»

Wiktionary

PROTACTINIUM, noun. A chemical element (symbol Pa) with atomic number 91.

Dictionary definition

PROTACTINIUM, noun. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.

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