kalk

noun
  1. A term used in some languages to refer to lime or limestone, a sedimentary rock primarily composed of calcium carbonate. noun
    The mason used kalk to prepare the mortar for the bricks.
    In some regions, kalk is used to neutralize acidic soil.
  2. A colloquial or dialectal term in certain areas, possibly referring to a type of chalk or a similar substance. noun
    The teacher wrote on the blackboard with a piece of kalk.
    Artists sometimes prefer using kalk for sketching due to its texture.