Meanings
sealing (e.g. of a document with a signet to indicate authorship, approval, etc)
sealing to discourage or make noticeable unauthorized opening of (something, e.g. a letter, or a building)
no pluralthe waterproof "sealing" of the earth's surface by human constructions
Durch die Versiegelung des Bodens durch Wohnbebauung, Gewerbe- und Industriestandorte sowie Verkehrsflächen und damit verbundenen Drainage- und Kanalisationsvorrichtungen werden große Mengen an Niederschlagswasser nicht mehr dem Grundwasser zugeführt, sondern gelangen direkt in die oberirdischen Gewässer.Through the "sealing" of the ground by the construction of residences, trade- and industrial- sites, as well as road areas and their associated drainage- and sewage- channels, large quantities of precipitation no longer enter the groundwater, but rather flow directly into surface waters.
a particular Christian sacrament
archaicverification, substantiation (of something)