To become hard and stony by impregnation with calcium salts.
To make something hard and stony by impregnating with calcium salts.
To grow or become clear or transparent; to become free from feculent impurities, as wine or other liquid under clarification.
To grow clear or bright; to clear up.
To make clear or easily understood; to explain in order to remove doubt or obscurity.
To make clear or bright by freeing from feculent matter.