sealant

[ see-luhnt ]

noun

1. a substance used for sealing, seal, as sealing wax or adhesives.
2. any of various liquids, paints, chemicals, or soft substances that may be applied to a surface or circulated through a system of pipes or the like, drying to form a hard, watertight coating.
3. Dentistry. any of several transparent synthetic resins applied to the chewing surfaces of molars and premolars in young children and teenagers as a preventive measure against tooth decay in the occlusal pits and fissures.

sealant

/ ˈsiːlənt /

noun

1. any substance, such as wax, used for sealing documents, bottles, etc
2. any of a number of substances used for stopping leaks, waterproofing wood, etc

Word History and Origins

Origin of sealant¹

1940–45; seal ¹ + -ant, probably by analogy with coolant

Example Sentences

Tom Burke, director of the Johns Hopkins Risk Sciences and Public Policy Institute, said the sealant included xylenes, chemical compounds often used as solvents that act on the brain and nervous system.

From Washington Post

In addition, she said, that particular sealant was chosen because it was the product with the lowest toxicity that was still effective.

From Washington Post

The sealant was being used to waterproof the roof and had to be spread across the entire membrane, not just applied to seams.

From Washington Post

Meanwhile, MGS features widely in consumer goods, including aluminum alloys used in car manufacturing as well as silicones that go into cosmetics, sealants and batteries.

From Washington Post

Desperate mountain bikers have resorted to using pancake batter as tire sealant.

From Outside Online

He slapped down the lid and watched the sealant ooze around the seam.

From Project Gutenberg

Related Words

• adhesive
• mud
• plaster
• sand