| Definitions from the WebBurnupNoun: 
  
    The amount of fuel consumed or used up, especially in a vehicle or machine.
    "The car's burnup is higher when driving on the highway."
    The measure of the amount of spent fuel in a nuclear reactor.
    "The burnup of the reactor increased after running for five years."
 Verb: 
  
    To consume or use up fuel, energy, or resources.
    "The spaceship will burnup a large quantity of fuel during launch."
    To cause something to be destroyed by fire or heat.
    "The intense fire will burnup the entire forest if not contained."
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