Leyden jarLeyden jar
a condenser for static electricity, consisting of a glass jar with a coat of tinfoil outside and inside and a metal rod connecting with the inner lining and passing through the lid
Origin of Leyden jarafter Leiden, where invented
An early form of capacitor consisting of a glass jar lined inside and out with tinfoil and having a conducting rod connected to the inner foil lining and passing out of the jar through an insulated stopper.
Origin of Leyden jarAfter Leyden (Leiden)
(plural Leyden jars)