sealer
1 Americannoun
-
an officer appointed to examine and test weights and measures, and to set a stamp upon such as are true to the standard.
-
a substance applied to a porous surface as a basecoat for paint, varnish, etc.
noun
noun
-
a person or thing that seals
-
(formerly in Britain and currently in the US) an official who examines the accuracy of weights and measures
-
a coating of paint, varnish, etc, applied to a surface to prevent the absorption of subsequent coats
noun
Etymology
Origin of sealer1
First recorded in 1350–1400, sealer is from the Middle English word seler. See seal 1, -er 1
Origin of sealer2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One person applies the sealer using a hand-pump garden sprayer.
From Seattle Times • Feb. 12, 2024
How many gallons, currently priced around $55 per gallon, of high-quality sealer do you use to make your deck look fantastic?
From Seattle Times • Jul. 17, 2023
When you seal a pergola, or any outdoor wood, try to use a penetrating sealer made with synthetic resins.
From Seattle Times • May 8, 2023
If the floor is unsealed, you would also have the option of adding traction by using a penetrating sealer or an etching product.
From Washington Post • Mar. 24, 2023
He was dipping a large, broomlike brush into a pail and painting the asphalt with black sealer.
From "Stargirl" by Jerry Spinelli
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.