dipole
/ˈdaɪpoʊl/
noun
- A pair of equal and opposite electric charges or magnetic poles separated by a small distance.
- In chemistry class, we learned that carbon dioxide is not a dipole because its charges cancel out.
- A water molecule is a dipole because it has a positive end and a negative end.
- The physicist explained how a dipole creates an electric field around it.
- An antenna consisting of a straight metal rod split in the middle, used for transmitting or receiving radio waves.
- The old radio used a simple dipole to pick up AM stations.
- He installed a dipole antenna on the roof to get better TV reception.
- A half-wave dipole is one of the most common types of antennas.