DIPOLE
dipole, dipole antenna
(noun) an aerial half a wavelength long consisting of two rods connected to a transmission line at the center
dipole
(noun) a pair of equal and opposite electric charges or magnetic poles separated by a small distance
Source: WordNet® 3.1
Etymology
Noun
dipole (plural dipoles)
(physics) any object (such as a magnet, polar molecule or antenna) that is oppositely charged at two points (or poles)
(chemistry) any molecule or radical that has delocalised positive and negative charges
(radio) a dipole antenna
Anagrams
• diploe, diploë, elopid, lepido-, peloid
Source: Wiktionary