vacuum

VOID
List of words for the clue vacuum from the crossword:
TRIODE PUMP HOSE ENIAC DIODE DEWAR CLEAN TUBE THERMOS TETRODE HOSES HOOVER DIRT BELLJAR TRIODES NEON CLEANER BAG AIR
WordClue
POREvoid
VACANCYvoid
INJECTORtype of pump
RECESSvacation, break
TRAMPvagabond