sealant

• Существительное, обозначающее материал, такой как покрытие или состав, наносимый на поверхность для создания твердого защитного слоя, герметизирующего её от воздуха, влаги или других воздействий.

A noun referring to a material, such as a coating or compound, applied to a surface to create a hard, protective layer that seals it against air, moisture, or other elements.

1. Sealing material for surfacesB2formal

   A substance used to form a hard, protective coating on a porous surface, such as wood, concrete, or fabric, to prevent moisture or air from passing through.

   Герметик

   • The carpenter applied a sealant to the wooden deck to protect it from rain.
   • Before painting, you should use a sealant to prime the porous wall.
   • A good sealant will prevent water damage on concrete surfaces.

   Синонимыcoatingsealer