varnish

(redirected from Film-forming sealer)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

varnish

(var'nish)
A solution of gums and resins in a solvent. When these are applied to a surface, the solvent evaporates and leaves a hard, more or less flexible film. In dentistry, varnishes are used to protect sensitive tooth areas such as the pulp. Synonym: cavity varnish

cavity varnish

Varnish..