"terminal phase" in German terminal phase Endstadium Endphase Endstufe Detailed translations for "terminal phase" terminal phase terminal phase(also: final stage, terminal stage, final phase) das Endstadium{neuter} terminal phase(also: final stage, terminal stage, final phase) die Endphase{feminine} terminal phase(also: final stage, terminal stage, final phase) die Endstufe{feminine}