two electric charges or magnetic poles that have equal magnitudes but opposite signs and are separated by a small distance
2.
a molecule in which the centre of positive charge does not coincide with the centre of negative charge
3. Also called: dipole aerial
a directional radio or television aerial consisting of two equal lengths of metal wire or rods, with a connecting wire fixed between them in the form of a T
Derived forms
dipolar (diˈpolar)
adjective
dipole in American English
(ˈdaɪˌpoʊl)
noun
1. Physics
any system having two equal but opposite electric charges or magnetic poles separatedby a very small distance
2. Chemistry
a polar molecule in which the centers of positive and negative charge are separated
3.
a radio or television antenna that is a single linear conductor (commonly equal in length to one half the wavelength at the frequency employed) separated at the center as by a transmission line feed
: in full dipole antenna
Derived forms
dipolar (diˈpolar) (ˈdaɪˈpoʊlər)
adjective
All related terms of 'dipole'
dipole aerial
two electric charges or magnetic poles that have equal magnitudes but opposite signs and are separated by a small distance
dipole moment
a measure of the polarity in a chemical bond or molecule , equal to the product of one charge and the distance between the charges
folded dipole
a type of aerial , widely used with television and VHF radio receivers , consisting of two parallel dipoles connected together at their outer ends and fed at the centre of one of them. The length is usually half the operating wavelength
electric dipole moment
a vector quantity associated with two equal charges of opposite sign separated by a specified distance , having magnitude equal to the product of the charge and the distance between the charges and having direction from the negative to the positive charge along the line between the charges
magnetic dipole moment
a measure of the magnetic strength of a magnet or current-carrying coil , expressed as the torque per unit magnetic-flux density produced when the magnet or coil is set with its axis perpendicular to the magnetic field