"residence time retention time" in German residence time: retention time Verweildauer Verweilzeit Stehzeit Detailed translations for "residence time retention time" residence time: retention time residence time: retention time(also: time of direct contact) die Verweildauer{feminine} residence time: retention time(also: time of direct contact) die Verweilzeit{feminine} residence time: retention time(also: time of direct contact) die Stehzeit{feminine}