sealant

noun
seal·​ant | \ ˈsē-lənt How to pronounce sealant (audio) \

Definition of sealant

1 : a sealing agent a radiator sealant
2 : a plastic material applied to parts of teeth with imperfections (such as pits and fissures) to prevent dental decay

Examples of sealant in a Sentence

Recent Examples on the Web

Beeswax lines their interiors, acting as both a sealant and an agent against bacteria. Esther Mobley, SFChronicle.com, "In Sonoma, a natural winemaker looks to the Republic of Georgia for inspiration," 15 Aug. 2019 In preparation for storms, a sealant can be used to prevent the track surface from washing away, but when the rain stops, trainers complain the track is too hard. Cnn.com Wire Service, The Mercury News, "Here’s why California can’t just close the Santa Anita race track," 24 June 2019 Replace cracked caulk or sealant around tubs and showers. Washington Post, "Liz Weston: Is your wealth dripping away?," 23 July 2019 Replace cracked caulk or sealant around tubs and showers. Liz Weston, Dallas News, "5 tips to help prevent water damage, which outranks theft and fire for home claims," 23 July 2019 In preparation for storms, a sealant can be used to prevent the track surface from washing away, but when the rain stops, trainers complain the track is too hard. Cnn.com Wire Service, The Mercury News, "Here’s why California can’t just close the Santa Anita race track," 24 June 2019 Some RVs now feature birch wood and bamboo construction bonded with non-toxic sealants, and are designed with recyclability in mind for when the adventure ends. Blake Z. Rong, Popular Mechanics, "RVs Are More Efficient Than Ever, Thanks to Eco-Friendly Manufacturing," 15 May 2019 In preparation for storms, a sealant can be used to prevent the track surface from washing away, but when the rain stops, trainers complain the track is too hard. Cnn.com Wire Service, The Mercury News, "Here’s why California can’t just close the Santa Anita race track," 24 June 2019 In preparation for storms, a sealant can be used to prevent the track surface from washing away, but when the rain stops, trainers complain the track is too hard. Doug Criss, CNN, "Here's why California can't just close the Santa Anita race track," 10 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sealant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sealant

1944, in the meaning defined at sense 1

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Statistics for sealant

Last Updated

18 Aug 2019

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Time Traveler for sealant

The first known use of sealant was in 1944

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More Definitions for sealant

sealant

noun

English Language Learners Definition of sealant

: a substance that is put on a surface in order to protect it from air, water, etc.

sealant

noun
seal·​ant | \ ˈsē-lənt How to pronounce sealant (audio) \

Medical Definition of sealant

: a plastic material that is applied to parts of teeth (as the occlusal surfaces of molars and premolars) with imperfections (as pits and fissures) usually to prevent dental decay

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