Concrete Powdery Substance for Bonding
Puzzle 9 of Sticky Things Piece of Cake Pack
Question is: Concrete Powdery Substance for Bonding
and the answer is: CEMENT
Word Meaning:
CEMENT — (countable, uncountable) A powdered substance produced by firing (calcining) calcium carbonate (limestone) and clay that develops strong cohesive properties when mixed with water. The main ingredient of concrete.
Definitions from Wiktionary.