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.
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.
Origin of sealant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for sealantadhesive, plaster, mud, sand, size, gum, concrete, binder, bond, solder, glue, paste, mucilage, gunk, tar, birdlime, sealant, mortar, lime, putty
Examples from the Web for sealant
Historical Examples of sealant
He slapped down the lid and watched the sealant ooze around the seam.The Game of Rat and Dragon
any substance, such as wax, used for sealing documents, bottles, etc
any of a number of substances used for stopping leaks, waterproofing wood, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper