"retention basin" in German retention basin Rückhaltebecken Retentionsbecken Rückhaltegefäß Detailed translations for "retention basin" retention basin 1. general retention basin(also: holding reservoir, retention reservoir, retention lagoon, detention basin) das Rückhaltebecken{neuter} retention basin(also: holding reservoir, retention reservoir, retention lagoon, detention basin) das Retentionsbecken{neuter} 2. technology, nuclear engineering retention basin das Rückhaltegefäß{neuter}