ˈmekə(r)- noun
Usage: usually capitalized M
Etymology: after George Meker, 20th century chemist
: a laboratory gas burner that differs from a typical Bunsen burner in having a constriction in the tube and a grid at the top of the burner causing the flame of burning gas to consist of a number of short blue inner cones and a large single outer cone and to be hotter generally than the Bunsen flame