Meaning | Any substance used to seal joints or fill cracks / cracks in a porous surface. |
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Narrower | filler | Used for filling cracks or holes in a surface |
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lute, luting | A substance for packing a joint or coating / coating a porous surface to make it impervious to gas or liquid / liquid |
sealant, sealer | A kind of sealing material that is used to form a hard coating / coating on a porous surface (as a coat of paint or varnish used to size a surface) |
Broader | material, stuff | The tangible / tangible substance that goes into the makeup of a physical object |
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