sealant

American  

[see-luhnt] / ˈsi lənt /

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.

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sealant British  

/ 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

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Etymology

Origin of sealant

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

Example Sentences

The sealant has been investigated for use in nerve repair, bone healing, and restoring movement following spinal cord injury.

From Science Daily

The other applies to home upgrades that include windows, doors and sealants that can better insulate a home from high and low temperatures.

From MarketWatch

Yet even with the proliferation of fluoride-containing toothpastes and dental sealants, tooth decay is still the most common chronic disease affecting American children, and the average senior citizen is missing at least 10 permanent teeth.

From Los Angeles Times

These included manufacturing defects affecting parts of fuselages, tail and rudder assemblies, as well as sealants applied as protection against the effect of lightning strikes in central fuel tanks.

From BBC

Within those pipes, the catalyst could generate a polymer that could act as a sealant to heal cracks in the pipes, which are a common source of methane leakage.

From Science Daily

Related Words

• adhesive
• mud
• plaster
• sand