Definition of protactinium

You can enter up to 15 letters and use up to 2 wildcards in the search. Use question mark (?) for wildcard searches.
Word Finders
Word Lists

Scrabble & Words with friends points

  • protactinium is a valid Scrabble US word with a point value of 18
  • protactinium is a valid Scrabble UK word with a point value of 18
  • protactinium is a valid Words with friends word with a point value of 23

Definition of protactinium

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

    Synonyms

    1. atomic number 91
    2. pa
    3. protoactinium

See definition of protactinium in Merriam Webster