What does protactinium mean in crosswords?

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

Which crossword clues can have protactinium as the answer?

Possible clues for protactinium include "Element number 91".

Word entry · 12 letters

Best crossword clue

"Element number 91"

12 letters · collected on this word page

12 lettersPronunciation /ˌpɹəʊ.tækˈtɪn.i.əm/Part of speech nounSorted aciimnoprttuStarts with PEnds with M1 clues

1P2R3O4T5A6C7T8I9N10I11U12M

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

From proto- + actinium.

Source: Wiktionary, CC BY-SA 4.0

01“Element number 91”12 letters

Not quite right?

P___________