Appell Muster and roll call; prisoners were known by numbers tattooed on their left forearms.
Arbeitskommando Work detail.
Auschwitz I Main camp: see Stammlager.
Auschwitz II Adjunct camp: see Birkenau.
Aussenarbeit Work outside the camp.
Aussenkommando Heavy work kommando or detail; see also Kommando.
Bekleidungskammer Laundry and clothing storeroom at Birkenau.
Birkenau Literally, "birch grove" or "birch meadow." Adjunct camp, also known as Auschwitz II, established August 1942 three kilometers from Auschwitz I, the main camp.
Block Barrack for housing prisoners or camp establishment with a distinct purpose, such as the laundry block or the music block.
Block 10 See Experimental Block.
Block 11 Punishment block in the main camp, which included an underground bunker with isolation cells.
Block 12 The Music Block, which housed the orchestra.
Block 25 Holding barrack for women selected for the gas chamber.
Blockülteste Block senior or warden, also known as the Blockowa.
Blockführer, Blockführerin SS block wardens.
Blockführersstube Nazi or SS headquarters outside the camp.
Blockowa Block senior or warden, also known as the Blockälteste.
Blocksperre Literally, "block sealed": general prisoner confinement, called during in-camp selections. Prisoners remained in their barracks until the process was completed.
Buna A synthetic rubber needed for the German war effort. The I. G. Farben