Noun: dipole 'dI,pówl
- A pair of equal and opposite electric charges or magnetic poles separated by a small distance
"The water molecule acts as a dipole due to its charge distribution"; "Radio antennas often use dipole configurations"
- An aerial half a wavelength long consisting of two rods connected to a transmission line at the centre
"The radio enthusiast set up a dipole antenna on his roof to improve reception";
- dipole antenna
- Any object, or component of a field, having two extrema of opposite sign in opposite directions
"The antenna was designed as a dipole to improve signal reception"
Derived forms: dipoles
Type of: aerial, antenna, couple, transmitting aerial
Encyclopedia: Dipole