Smart Definition
Etymology
Pronunciation
plutonio
plutonium
plutonium
radioactive chemical element
Plutonio means plutonium and is a direct cognate of the English word plutonium0, referring to the radioactive chemical element0.
noun
  1. plutonium
    A radioactive metallic element with the atomic number 94
    El plutonio es un elemento químico altamente radiactivo. // Plutonium is a highly radioactive chemical element.