FAQs About the word protoactinium

Protactinium

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

No synonyms found.

No antonyms found.

proto => Proto, protium heptaphyllum => Protium heptaphyllum, protium guianense => Protium guianense, protium => Protium, protistan => Protist,