Promethium bomb Synonyms

We can't find synonyms for the phrase "Promethium bomb", but we have synonyms for terms, you can combine them.

Promethium Synonyms

Bomb Synonyms

PB abbreviation

PB is an abbreviation for Promethium Bomb
What does PB stand for?
PB stands for "Promethium Bomb"

Definitions for Promethium


  • (noun) a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

Definitions for Bomb


  • (noun) something that has failed
  • (verb) to attack with a rapid or overwhelming outpouring of many things at once
  • (verb) to be unsuccessful