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dipole

dipole

1 8.1
Two straight metal rods joined at the center to form a radio antenna for sending and receiving signals
  • noun
  • /ˈdaɪpoʊl/
  • Specialized
translation icon : dipolo
  • The engineer installed a dipole antenna on the roof to improve the radio signal reception.
  • dipole antenna

Examples

  • The discovery had been made at a sprawling radio telescope—more than 2,000 dipole antennas lined up like rows of corn—near Cambridge University in Great Britain.

    Academic text (2001)
  • And then the tuned signal goes into the half-wave folded dipole antenna out in the backyard where it is radiated into space.

    Fiction book (1995)
  • And this is how the pile of dipole antenna looks like for the MWA that we are members of.

  • But many other types of antenna do exist, such as the Yagi or television-style antenna, horn antenna, and dipole antenna.

    Academic text (1996)
  • A folded dipole antenna hung between these masts, suspended on pulleys.

    Fiction book (1995)
  • Available from radiojove.gsfc.nasa.gov, the Radio JOVE Kit consists of a receiver, which is designed to receive at 20.1 MHz, and a set of phased dipole antennas.

    Academic text (2004)
  • The inset shows a prototype tripole antenna made of three orthogonal half-wavelength dipoles. (Adapted from ref. 12.)

    Academic text (2001)
  • Two metal rods are used to create a dipole that effectively captures radio waves.

  • The experimental setup included several dipole antennas aligned to optimize signal transmission.

Synonyms

dipole antenna
vsdipole
  • Specialized
7.4

An antenna with two metal rods placed in a straight line with a connection in the middle

is more specific about two straight rods connected to a transmission line

Compounds

dipole moment
  • Specialized
1 8.1

A measure of how far positive and negative charges are separated in a molecule

dipole antenna
  • Specialized
7.4

An antenna with two metal rods placed in a straight line with a connection in the middle

dipole molecule
  • Specialized
7.4

A molecule with one end always positive and the other always negative

7.7

Amount that shows how far positive and negative electric charges are separated, equal to charge size times distance

electric dipole
  • Specialized
7.4

Two equal but opposite electric charges that are close together

magnetic dipole
  • Specialized
6.3

An object with two opposite poles, like a bar magnet, that makes a force around it

8.4

A number that shows how strongly and which way something acts like a tiny magnet

Surface Forms

dipole singular
dipoles plural

Morphology

dipole = pole (semi-transparent) = di + pole

Built from 'di-' (two) + 'pole' and the notion of 'two rods/ends' is visible, but the antenna sense is technical and may not be fully derivable by general learners.

Etymology

Dipole comes from the parts di- 'two' and pole 'rod' or 'end'. So a dipole antenna is literally 'two poles' and is made of two equal rods joined at the middle to send or receive radio waves.