noun
protactinium
Protactinium (noun) means a chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
noun
1
A chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “protactinium”
A quick quiz — meaning, synonyms & usage
→
Rhymes for protactinium
See all rhymes for protactinium →Frequently asked questions
What is the meaning of protactinium?
"protactinium" (noun) means a chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.