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sealant

Syllabification: seal·ant
Pronunciation: /ˈsēlənt
 
/

Definition of sealant in English:

noun

Material used for sealing something so as to make it airtight or watertight.
Example sentences
  • The sealant made it airtight without pinching his nasal passage.
  • Water putty, epoxies, construction glue and silicone sealants can cause irreversible damage to objects, he warned.
  • I'll pull the assembly apart (hopefully I can just cut that sealant stuff off) and fill the hole with more sealant.

Definition of sealant in:

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Word of the day orthoepy
Pronunciation: ˈɔːθəʊɛpi
noun
the correct or accepted pronunciation of words