Bunsen burner
Bun‧sen bur‧ner /ˌbʌnsən ˈbɜːnə $ -ˈbɜːrnər/
noun [countable]
Bun‧sen bur‧ner /ˌbʌnsən ˈbɜːnə $ -ˈbɜːrnər/
noun [countable] Origin: Robert Bunsen (1811-99), German scientist
a piece of equipment that produces a hot gas flame, for scientific experiments