Versiegelung

Etymology
From the verb versiegeln (to seal), from siegeln, from the noun Siegel (seal) + the noun suffix -ung

Noun

 * 1) (the act or process of) sealing (e.g. of a document with a signet to indicate authorship, approval, etc)
 * 2) sealing to discourage or make noticeable unauthorized opening of (something, e.g. a letter, or a building)
 * 3) sealing (e.g. of a leak in a pipe)
 * 4) (no plural) the waterproof "sealing" of the earth's surface by human constructions
 * 5) a particular Christian sacrament
 * 6)  verification, substantiation (of something)
 * 1)  verification, substantiation (of something)

Synonyms

 * (sealing of the earth's surface): ,
 * (substantiation):