platymeter

Century Dictionary and Cyclopedia

1. n. An apparatus for measuring the inductive capacity of dielectrics. It consists essentially of two cylindrically shaped condensers of equal size, having their inner coatings connected.

Wiktionary

1. n. An apparatus for measuring the capacity of condensers, or the inductive capacity of dielectrics.

GNU Webster's 1913

1. n. (Elec.) An apparatus for measuring the capacity of condensers, or the inductive capacity of dielectrics.