Building Material Used as Mortar for Bricks
Puzzle 16 of Benefits of Pets Pack
Question is: Building Material Used as Mortar for Bricks
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.