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protoactinium

 

Definitions from WordNet

Noun protoactinium has 1 sense
  1. protactinium, protoactinium, Pa, atomic number 91 - a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
    --1 is a kind of metallic element, metal

Definitions from the Web

Protoactinium

Description:

Protoactinium is a radioactive chemical element with the symbol Pa and atomic number 91. It is a member of the actinide series of elements and is found naturally in trace amounts. It is primarily used for scientific research and as a precursor material for the production of other elements.

Sample Sentences:

  • The scientists conducted experiments with protoactinium to study its decay properties.
  • Protoactinium is a rare and highly valuable element in the field of nuclear physics.
  • The ore samples were analyzed for the presence of protoactinium using sophisticated analytical techniques.

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