1. 
   Fume hood
   A fume hood or fume cupboard is a type of local ventilation device that is designed to limit exposure to hazardous or noxious fumes, vapors or dusts. A fume hood is typically a large piece of equipment enclosing five sides of a work area, the bottom of which is most commonly located at a standing w...
   Found op http://en.wikipedia.org/wiki/Fume_hood
   
   
2. 
   fume hood
   mechanical installation used to exhaust the gases that are directed for cleaning and further processing afterwards
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=841-26-24
   
   

Tip: double click on a word to show its meaning.