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
Recent Examples of sealant from the Web
Despite a heavy downpour Friday morning, hundreds like Thomas waited in the rain for cleanings, extractions, partial implants, sealants and a host of other dental services.
SMILES, the nonprofit’s signature school program, educates 4,000 kids a year on the importance of dental care and provides sealants and toothbrushes.
Twin Hill acknowledged that one of the bolts of fabric used in the uniforms was contaminated with tributyl phosphate, a sealant which can cause skin irritation.
Before the advent of the wetsuit, Mr. O’Neill and his fellow surfers had been braving the frigid Pacific by wearing long underwear or sweaters coated with oily sealant, or by stuffing flexible polyvinyl chloride into their swim trunks.
Using an abrasive cleanser or even the rough side of a sponge may strip away the sealant as well as damage the stone over time.
Have an adult help spray the sealant into the vase to protect the paint from water damage.
See mini-presentations on food, health and parenting; meet teachers and school leaders; get fluoride treatments and sealants for children; and more.
These substances will break down the countertop's sealant and leave stains behind.
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.
First Known Use of sealant
SEALANT Defined for English Language Learners
Definition of sealant for English Language Learners
: a substance that is put on a surface in order to protect it from air, water, etc.
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
Seen and Heard
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