sealer

• Substance ou matériau utilisé pour créer un revêtement protecteur étanche sur une surface poreuse, ou agent officiel qui appose un sceau sur un document.

A noun referring to a substance or material used to form a hard, protective coating on a porous surface, or an official who affixes a seal to a document.

1. Sealing materialB2formal

   A substance applied to a surface to make it non-porous, often used as a primer or protective coating.

   Produit d'étanchéité

   • Apply a coat of sealer to the wood before painting.
   • The concrete floor needs a good sealer to prevent stains.
   • Use a masonry sealer to protect the brick wall from moisture.

   Synonymescoatingfinishlacquerprimersealantundercoatvarnish

2. Official who affixes a sealC1formal

   A person authorized to stamp or affix an official seal onto documents to certify their authenticity.

   Apposeur de sceau

   • The court sealer verified the documents before they were filed.
   • The sealer stamped the contract with the official seal.
   • A notary public often acts as a sealer for legal papers.

   Synonymesnotarynotary public