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vacuummore about vacuum


  2  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Vacuum  \Vac"u*um\,  n.;  pl  E.  {Vacuums},  L.  {Vacua}.  [L.,  fr 
  vacuus  empty.  See  {Vacuous}.] 
  1.  (Physics)  A  space  entirely  devoid  of  matter  (called  also 
  by  way  of  distinction,  absolute  vacuum);  hence  in  a  more 
  general  sense  a  space,  as  the  interior  of  a  closed 
  vessel,  which  has  been  exhausted  to  a  high  or  the  highest 
  degree  by  an  air  pump  or  other  artificial  means  as  water 
  boils  at  a  reduced  temperature  in  a  vacuum. 
  From  WordNet  r  1.6  [wn]: 
  n  1:  the  absence  of  matter  [syn:  {vacuity}] 
  2:  a  region  empty  of  matter  [syn:  {vacuity}] 
  3:  an  electrical  home  appliance  that  cleans  by  suction  [syn:  {vacuum 
  v  :  clean  with  a  vacuum  cleaner  [syn:  {vacuum-clean},  {hoover}] 

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