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a glass tube with a capacity of the order of 25 to 100 mL and graduation intervals of 0.05 to 0.1 mL, with stopcock attachment, used to deliver an accurately measured quantity of liquid.


A graduated glass tube with a tap as its lower end; used for measuring liquids in volumetric chemical analyses.


A receptacle for measuring liquid or gases, which consists of a graduated glass tube, usually furnished with a small aperture and stopcock.