Definition of Erlenmeyer flask in US English:

Erlenmeyer flask


  • A conical flat-bottomed laboratory flask with a narrow neck.

    • ‘Wheat leaf segments floating on nutrient solution were incubated in Erlenmeyer flasks in permanent light.’
    • ‘Tap water was used to fill two identical, scrupulously cleaned Pyrex 2 liter Erlenmeyer flasks.’
    • ‘Culture volume was 10 ml, in nonshaking 18 x 150-mm glass tubes or shaking 50-ml Erlenmeyer flasks.’
    • ‘Five-day-old seedlings were transferred to rubber stoppers that were mounted on 1 - L Erlenmeyer flasks, one seedling per flask.’
    • ‘A small Erlenmeyer flask was charged with 5 ml of the aqueous gelatin along with 3 ml of the o-phthalaldehyde stock solution.’
    • ‘The Erlenmeyer flasks were shaken gently during the entire 24 h period to avoid oxygen depletion in the solution.’
    • ‘Cultures were initiated using 1-2 mm internode sections and 10 ml of medium in sterile 50 ml Erlenmeyer flasks.’
    • ‘These solid-solution mixtures were placed in 250-ml Erlenmeyer flasks and agitated in an isothermal shaker at constant temperature of for 24 hr.’
    • ‘Water entered the probe through the perforations and was pumped into a 500 ml polycarbonate Erlenmeyer flask.’
    • ‘The discs were briefly rinsed with sterile water to remove the intercellular material and incubated in 250 ml sterilized Erlenmeyer flasks containing 50 ml of sodium phosphate buffer.’


Late 19th century: named after Emil Erlenmeyer (1825–1909), German chemist.


Erlenmeyer flask