Millikan oil-drop experiment

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Millikan oil-drop experiment

[′mil·ə·kən ′ȯil‚dräp ik‚sper·əmənt]
(atomic physics)
A method of determining the charge on an electron, in which one measures the terminal velocities of rise and fall of oil droplets in an electric field after the droplets have picked up charge from ionization in the surrounding gas produced by an x-ray beam.
References in periodicals archive ?
The result of the research is a simulation that allows a user to carry out the Millikan oil-drop experiment which leads to a measurement of the elementary electronic charge.
Harvard mathematician Scott Hotton produced a model based on Douady and Couder's oil-drop experiment.
44 The Millikan oil-drop experiment was the first to make what important measurement?