noun. 
                    In chem.:
                  
                
                  
                    noun. 
                    An instrument or apparatus intended to measure, collect, preserve, or mix different gases.
                  
                
                  
                    noun. 
                    An instrument for measuring the quantity of gas employed in any chemical experiment.
                  
                
                  
                    noun. 
                    A reservoir or storehouse for gas, especially for the ordinary illuminating gas produced in gas-works, which supplies the various pipes employed in lighting streets and houses.