FAQs About the word protoactinium

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

No synonyms found.

No antonyms found.

proto => 原型, protium heptaphyllum => 七葉欖香樹, protium guianense => 蓋亞那乳香, protium => 氕, protistan => 原生生物,