1. The act or process of sealing something, such as closing or securing with a seal
The sealing of the envelope was done carefully.
A selagem do envelope foi feita com cuidado.
2. In dentistry, the application of a protective coating to seal tooth surfaces and prevent decay
Dental sealant application is recommended for children's molars.
A selagem dentária é recomendada para os molares das crianças.
3. In construction or engineering, the process of making something watertight or airtight
The sealing of the pipes prevents water leakage.
A selagem dos canos previne vazamentos de água.