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
It can be used in products like degreasers, brake cleaners, sealants, lubricants, adhesives, paints, coatings and arts and crafts spray coatings.
—
Joseph Epstein, Newsweek, 10 Dec. 2024
One recent study found formaldehyde in 20% of the cotton clothing researchers examined, but it was gone after the items had been washed.
Cars
Formaldehyde adhesives can be found in vehicle dashboards, seat coverings, flooring materials, carpeting, door trim, window sealant and armrests.
—Topher Sanders, ProPublica, 9 Dec. 2024
Carroll’s clinic offers dental exams, cleanings, digital X-rays, sealants, fluoride treatments, nitrous oxide (laughing gas), extractions, composite (white) fillings, and general restorative services, according to a news release.
—Thomas Goodwin Smith, Baltimore Sun, 22 Nov. 2024
The Environmental Protection Agency said PFAS are used in cleaning products, non-stick cookware, paints, varnishes, and sealants as well as in certain shampoo, dental floss, and cosmetics.
—Bill Kearney, Sun Sentinel, 5 Feb. 2024
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Joseph Epstein, Newsweek, 10 Dec. 2024
One recent study found formaldehyde in 20% of the cotton clothing researchers examined, but it was gone after the items had been washed.
Cars
Formaldehyde adhesives can be found in vehicle dashboards, seat coverings, flooring materials, carpeting, door trim, window sealant and armrests.
—Topher Sanders, ProPublica, 9 Dec. 2024
Carroll’s clinic offers dental exams, cleanings, digital X-rays, sealants, fluoride treatments, nitrous oxide (laughing gas), extractions, composite (white) fillings, and general restorative services, according to a news release.
—Thomas Goodwin Smith, Baltimore Sun, 22 Nov. 2024
The Environmental Protection Agency said PFAS are used in cleaning products, non-stick cookware, paints, varnishes, and sealants as well as in certain shampoo, dental floss, and cosmetics.
—Bill Kearney, Sun Sentinel, 5 Feb. 2024
See all Example Sentences for sealant
Dictionary Entries Near sealant
Cite this Entry
“Sealant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sealant. Accessed 30 Dec. 2024.
Copy CitationMedical Definition
sealant
noun
seal·ant
ˈsē-lənt 
: 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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