Bun·sen burn·er, 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.

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 Burn·er n.
 1. One who, or that which, burns or sets fire to anything.
 2. The part of a lamp, gas fixture, etc., where the flame is produced.
 Bunsen's burner Chem., see Bunsen burner.
 Argand burner, Rose burner, etc. See under Argand, Rose, etc.

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