She calced her feet before putting on her shoes.

Calcium is an essential mineral for strong bones and teeth.

I need to study calc for my math exam.

The calces were used in the experiment.

I have a lot of calcs to do for my math homework.

The calc-sinters are used in the production of steel.

The calc-sinter formations in the cave were breathtaking.

Tufa is a type of calcareous rock formed by the precipitation of carbonate minerals from ambient temperature water bodies.

Calc-tuff is a type of volcanic rock.

The calcedons are beautiful gemstones.