Crosswords Solver

Answer: bentonite
Answer	Crossword Clue
bentonite	a kind of clay, used in industry as a filler etc
bentonite	clay formed by the decomposition of volcanic ash, having the ability to absorb large quantities of water and to expand to several times its normal volume

Crossword

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

Answer: bentonite