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Noun: element 104
  1. A radioactive transuranic element which has been synthesized
    - rutherfordium, Rf, unnilquadium, Unq, atomic number 104
Interjection: 10-4
Usage: US
  1. Acknowledgment of message received
    - ten-four [US]

Type of: chemical element, element

Encyclopedia: Element 104

10-4