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Pronunciation: pil


  1. A series of plates of two different metals imposed alternately one on the other, separated by a sheet of material moistened with a dilute acid solution, used to produce a current of electricity.
  2. An individual hemorrhoidal tumor.

See: hemorrhoids

[L. pila, pillar]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.