SEALANT


Meaning of SEALANT in English

[noun] [C or U](A) sealant is a substance painted onto a surface to make it waterproof or to stop other liquids from going into it, or put in the space between two materials for the same reason.The stone floor was painted with (a) sealant to stop damp rising up into the room.

Cambridge English vocab.      Кембриджский английский словарь.