SEALANT
sealant, sealer
(noun) a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)
Source: WordNet® 3.1
Etymology
Noun
sealant (countable and uncountable, plural sealants)
Any material used to seal a surface so as to prevent passage of a fluid.
(construction) A mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected.
Source: Wiktionary
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Word of the Day
25 November 2024
ONCHOCERCIASIS
(noun) infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
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