Any material or substance can be called adhesive, when, between two surfaces, has the ability of keeping them joined through a mechanical locking interaction between them, through chemical bonds with them, or through the interaction of both.
Se define como adhesivo a toda materia o sustancia, que interpuesta entre dos superficies, las mantiene unidas por trabarse mecánicamente entre ellas, por enlaces químicos con ellas o por la interacción de ambas.