The security given by authority of a government to a stranger for his quietly coming into and passing out of the territories over which said government has jurisdiction or control.

(physics) The range of electron energies in an insulator or semiconductor in which electrons can move freely and transport charge.

Any metal wire used to carry electricity over a short or long distance.

A liquid polymer delivery system with a form factor similar to a standard ink pen. The polymer is electrically conductive and rapid-drying. Used to create or repair conductive traces on printed circuit boards.

plural of safe-conduct

(geology) A material property (e.g., for rocks or soil) that describes the rate which water can flow through pore spaces or fractures. SI units: m/s. Symbol: K.

plural of conduction band

(telecommunications) Interference resulting from noise or unwanted signals entering a device by conductive coupling, i.e., by direct coupling.

Energy transfer achieved by means of physical contact, i.e., coupling other than inductive or capacitive coupling.

plural of aberrant conduction