1. 
   Foreline
   A foreline is a vacuum line between the pumps of a multistage vacuum system. No longer exclusively used by scientists in research, vacuum systems are used in numerous industries that include food production and the manufacturing of electronic components. A classic foreline is a hose or tube that co...
   Found op http://en.wikipedia.org/wiki/Foreline
   
   
2. 
   Foreline
   A vacuum line leading from a vacuum pump to the device or devices to be pumped.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html
   
   
3. 
   Foreline
   A vacuum line leading from a vacuum pump to the device or devices to be pumped.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html#A
   
   

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