bunsen burner n 1: a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air [syn: {bunsen burner}, {bunsen}, {etna}]
Bunsen burner \Bun"sen burn"er\, Bunsen's burner \Bun"sen's burn"er\(Chem.), a kind of burner, invented by Professor Bunsen of Heidelberg, consisting of a straight tube, four or five inches in length, having small holes for the entrance of air at the bottom. Illuminating gas being also admitted at the bottom, a mixture of gas and air is formed which burns at the top with a feebly luminous but intensely hot flame. [1913 Webster]