Answer:

TRINITROTOLUENE

Answer	Crossword Clue
TRINITROTOLUENE	Cause of some blowups
TRINITROTOLUENE	TNT.
TRINITROTOLUENE	Explosive

TRINITROTOLUENE	TNT
TRINITROTOLUENE	Explosive stuff
TRINITROTOLUENE	Big bang creator
TRINITROTOLUENE	Boom producer
TRINITROTOLUENE	Something to level with

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.