Blast can be

• an initialism:
  • An algorithm, used in bioinformatics, see BLAST.
  • BLAST can also mean "Berkeley Lazy Abstraction Software Verification Tool". [1]
• The journal of the Vorticism movement, published in 1914 and 1915: see BLAST.
• A figure from Norse mythology, see Hrimthurs.
• In the sense of explosion, see explosion or explosive.
• In the sense of blasting or explosive excavation . (These articles might still need to be written.)
• In medicine, blasts are new, immature blood cells.