A document that grants safe passage through enemy territory in times of war. / A convoy or guard to protect a person in a foreign country.

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.

(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.

plural of aberrant conduction

(medicine) A heart condition where the electrical stimulus travels via an abnormal pathway.

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

thermal conductivity

(physics) A measure of the ability of a material to conduct heat, often denoted k, λ, or κ.

thermal conductance