(physics) Any object (such as a magnet, polar molecule or antenna) that is oppositely charged at two points (or poles).

plural of dipole

The vector product of the charge on either pole of a dipole and the distance separating them.

(physics) two electric charges of equal magnitude but opposite sign separated by a short distance

(chemistry, physics) a polar molecule; either permanent (in the absence of an applied field) or induced (produced by an applied field)

plural of dipole wave

(physics) Any wave (electromagnetic, gravitational etc.) caused by transitions in a dipole

(radio) An antenna with a single, linear element, so energized that the RF current has a node only at each end.

plural of dipole moment

plural of dipole antenna