sealer
/'si:lə/
Học thuậtThân thiện
Definition
- Noun:
- An official who affixes a seal to a document: A person authorized to apply an official stamp or seal, often to certify a document's authenticity.
- A kind of sealing material: A substance applied to a porous surface to close its pores, forming a hard, protective coating or preparing it for a final finish, such as paint or varnish.
Usage Examples
- Noun (Official):
- The notary public acted as the sealer for the legal contract.
- In the 18th century, a royal sealer was responsible for stamping all decrees.
- Noun (Material):
- Apply a wood sealer before painting the deck to prevent moisture damage.
- This concrete sealer provides a glossy, protective finish to the driveway.
Advanced Usage
- "Acting as sealer": Serving in the official capacity of applying seals.
- The clerk was appointed acting sealer for the ceremony.
- Penetrating vs. Surface Sealer: Technical terms describing how a sealing material works.
- A penetrating sealer soaks into the material, while a surface sealer forms a film on top.
Variants and Related Words
- Seal (verb/noun): The act of closing securely or the device/mark used for authentication.
- Seal the envelope. The document bears the king's seal.
- Sealant (noun): A material used for sealing, often used interchangeably with "sealer" in the context of materials.
- Silicone sealant is used around bathtubs.
- Sealing (noun/gerund): The process of applying a seal or sealer.
- The sealing of the documents took an hour. The sealing of the deck is necessary.
Synonyms
- For the official: Authenticator, certifier, notary.
- For the material: Primer, undercoat, size, varnish, waterproofing agent.
Related Phrases
- To seal a deal: To finalize an agreement. (Note: This uses the verb "seal," not the noun "sealer").
- They shook hands to seal the deal.
- Sealer coat: A specific application layer of sealing material.
- The first sealer coat must dry completely before sanding.
Noun
- an official who affixes a seal to a document
- 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)