Panzerjäger is a term used for an anti-tank vehicle, as well as anti-tank units. The term was first used in the Wehrmacht, and also post-war by the German Federal Republic Bundeswehr. The term Panzerjäger was used in the Bundeswehr as a designation of rank.
Panzerjäger Marder I
Panzerjäger Marder III
Nashorn mounted an 88 mm anti-tank gun on a chassis derived from the German medium tanks
Jagdpanzer (JgPz) is the name given in German to an armored, tracked tank destroyer, although it may also be used for other kinds of self-propelled guns. Translated from the German, Jagdpanzer means "hunting tank".
Jagdpanzer IV at the Deutsches Panzermuseum