sealer: meaning, definition, pronunciation and examples
B2Neutral to technical, depending on context.
Quick answer
What does “sealer” mean?
A person or thing that seals, closes, or secures something.
Audio
Pronunciation
Definition
Meaning and Definition
A person or thing that seals, closes, or secures something.
A protective coating applied to surfaces to prevent leakage, absorption, or corrosion; an official who authenticates documents.
Dialectal Variation
British vs American Usage
Differences
Usage is largely identical. The sense 'container sealer' (e.g., a vacuum sealer for food) is more frequently marketed in the US.
Connotations
In technical contexts (construction, marine), the term has the same connotations. The official 'sealer of weights and measures' is a historical UK role.
Frequency
Broadly similar in frequency. The 'protective coating' sense is common in both DIY/construction contexts.
Grammar
How to Use “sealer” in a Sentence
[Sealer] for [surface/material][Apply/use] a [type] sealer [to/on] [object]Vocabulary
Collocations
Usage
Meaning in Context
Business
Marketing of DIY or industrial sealing products.
Academic
In materials science or historical studies of official roles.
Everyday
Discussing home improvement projects, food preservation.
Technical
Specifying protective coatings in construction, marine, or manufacturing.
Watch out
Common Mistakes When Using “sealer”
- Using 'sealer' for the act of sealing (verb) instead of the agent/tool (noun).
- Confusing 'sealer' (general) with specific types like 'varnish' or 'glaze'.
- Misspelling as 'sealor' or 'sealler'.
FAQ
Frequently Asked Questions
They are often used interchangeably, especially for liquid coatings. 'Sealant' can more strongly imply a flexible, gap-filling material (like silicone sealant), while 'sealer' often refers to a penetrating or film-forming protective coating.
Yes, though it's less common. It can refer to a worker who operates a sealing machine or, historically, an official who authenticates documents with a seal.
No, they are false friends. The animal 'seal' comes from Old English 'seolh'. The noun 'sealer' (from the verb 'to seal') is related to the Latin 'sigillum', meaning a sign or mark.
It depends on the surface. On porous materials like new wood or concrete, a sealer (or primer-sealer) is applied BEFORE paint to prevent absorption and ensure an even finish. A clear topcoat sealer can be applied AFTER paint/varnish for extra protection.
A person or thing that seals, closes, or secures something.
Sealer is usually neutral to technical, depending on context. in register.
Sealer: in British English it is pronounced /ˈsiːlə/, and in American English it is pronounced /ˈsiːlər/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None specific to this noun]”
Learning
Memory Aids
Mnemonic
Think of a SEAL that closes a letter. A SEAler is a thing that SEALs.
Conceptual Metaphor
PROTECTION IS A BARRIER (the sealer provides a protective barrier).
Practice
Quiz
In which of the following contexts is the word 'sealer' LEAST likely to be used?