Definition of Bunsen burner in US English:

Bunsen burner

noun

  • A small adjustable gas burner used in laboratories.

    • ‘If exposure to flame lasts longer, however, 60 seconds say, using a touch-paper or 15 to 30 seconds with the flame of a Bunsen burner, the material expands and ignites.…’
    • ‘When air and natural gas are ignited, enough heat to supply a Bunsen burner is produced, but when glucose is formed during photosynthesis, light energy is absorbed in the reaction.’
    • ‘The ‘flame test’ allows the user to virtually dip the test rod in the compounds kept in dishes and move it towards the flame of a Bunsen burner.’
    • ‘The Earth is a vibrant blue, the kind of blue you see when looking at a Bunsen burner.’
    • ‘Using a binocular low-power microscope, a micropilot flame of a Bunsen burner, and a very steady hand, I remember preparing scores of fine glass needles, which unfortunately broke too easily when used for cutting the rather tough asci.’
    • ‘So Paul emptied the sand-filled red fire bucket, threw in some potatoes, vegetables and meat, and cooked a stew over a Bunsen burner.’
    • ‘Originally it referred to an accident in a gun or a Bunsen burner: the flame is sucked back, sometimes leading to an explosion.’
    • ‘One occasion that was described to me involved a student heating some material with a Bunsen burner and the student's cardigan caught fire and apparently Ruby found this rather amusing.’
    • ‘But it is a common misconception that Robert Bunsen invented the Bunsen burner.’
    • ‘Few machines existed then - those were the days of the Bunsen burners, pipettes, and drop-by-drop reagents.’
    • ‘It is thought the GCSE pupil got too close to a Bunsen burner or burning taper.’
    • ‘One day in chemistry class, a few of us took a silver dollar and heated it over a Bunsen burner until it almost glowed.’
    • ‘Brown's tinkering with his side was experimental, and as successful as setting fire to the lab curtains with a Bunsen burner.’
    • ‘One of the most commonly used pieces of equipment for heating in a laboratory, a Bunsen burner uses natural gas as a fuel supply.’
    • ‘Fractional distillation columns, Bunsen burners, and beakers on the other hand are chemical apparatus because they are used in conducting experiments, but do not measure any quantity.’
    • ‘A significant part of the curriculum is delivered in science laboratories involving Bunsen burners, a variety of chemicals and equipment of a fragile nature such as glassware.’
    • ‘As a result blue light is more energetic than red light and hot flames from well adjusted Bunsen burners emit blue rather than yellow light.’
    • ‘Simple examples of dissipative structures include the flames of candles and Bunsen burners, for which the flows of reactants and energy out of the system (the visible flame) are quite apparent.’
    • ‘The capillary tip was sealed using a Bunsen burner such that the distal end of Pt wire was straight in the tubing.’
    • ‘The students learnt how to heat little copper pellets in a spoon over a Bunsen burner until they melted.’

Pronunciation

Bunsen burner

/ˌbənsən ˈbərnər//ˌbənsən ˈbərnər/