the tangible substance that goes into the makeup of a physical object

a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)

used for filling cracks or holes in a surface

a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid

dental material used to seal nonfused, noncarious pits and fissures on surfaces of teeth.