1. vacuum gauge a gauge for indicating negative atmospheric pressure
  2. vacuum gage a gauge for indicating negative atmospheric pressure
  3. vacuum bag a bag into which dirt is sucked by a vacuum cleaner
  4. vacuum-clean clean with a vacuum cleaner
  5. vacuum chamber a chamber from which nearly all matter has been removed
  6. vacuous devoid of matter
  7. vacuum tube electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
  8. vacuum cleaner an electrical home appliance that cleans by suction
  9. phycomycosis any fungal infection caused by fungi of the Phycomycetes group
  10. vacuum an empty area or space
  11. Veronica michauxii plant of wet places in Eurasia and America
  12. vacuum flask flask with double walls separated by vacuum
  13. kamikaze a pilot trained and willing to cause a suicidal crash
  14. vacuum pump a pump that moves air in or out of something
  15. come across be perceived in a certain way; make a certain impression
  16. vacuum bottle flask with double walls separated by vacuum
  17. pneumococcus bacterium causing pneumonia in mice and humans
  18. Lake Michigan the 3rd largest of the Great Lakes
  19. water gauge gauge for indicating the level of water in e.g. a tank or boiler or reservoir
  20. Phycomycetes a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems