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1. [Brit] A high-speed motorcycle race on a public road
    
2. The amount of fuel used up (as in a nuclear reactor)

1. Burn brightly
   "Every star seemed to burn up with new intensity";
   - flare, flame up, blaze up
    
2. Use up (energy)
   "burn up calories through vigorous exercise";
   - burn off, burn
    
3. Burn completely; be consumed or destroyed by fire
   "The hut burned up";
   - burn down, go up

Derived forms: burning up, burns up, burned up, burnups

Type of: burn, combust, consume, consumption, deplete, eat, eat up, exhaust, expenditure, race, run through, use up, using up, wipe out

Encyclopedia: Burnup