sealant

Từ điển Oxford Learners Wordfinder Dictionary

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)
• Syn:
sealer
• Derivationally related forms:
seal (for: sealer), seal
• Hypernyms:
sealing material
• Hyponyms:
caulk, caulking