"sonic barrier" in German sonic barrier Schallmauer Schallwand Schallgrenze Detailed translations for "sonic barrier" sonic barrier sonic barrier(also: sound barrier) die Schallmauer{feminine} sonic barrier(also: sound barrier) die Schallwand{feminine} sonic barrier(also: sound barrier) die Schallgrenze{feminine} English synonyms for "sonic barrier" sonic barrier {n} sound barrier