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Answer for the clue "An aerial half a wavelength long consisting of two rods connected to a transmission line at the center ", 6 letters:
dipole

Alternative clues for the word dipole

Word definitions for dipole in dictionaries

Wikipedia Word definitions in Wikipedia
In physics, a dipole is a quantity involved some form of polarity Electric dipole Magnetic dipole Dipole moment (disambiguation) A flow dipole , a separation of a sink and a source in potential flow . In meteorology: Arctic dipole anomaly Indian Ocean Dipole ...

WordNet Word definitions in WordNet
n. a pair of equal and opposite electric charges or magnetic poles separated by a small distance an aerial half a wavelength long consisting of two rods connected to a transmission line at the center [syn: dipole antenna ]

Usage examples of dipole.

They had multiple layers of superdense metal shielding, high-power dipole field generators, even a liquid-envelope radiation reflector.

I mounted two Reynald toroids with opposite fields on an optical bench pointed along the direction of the dipole asymmetry and varied their separation.

When Phil O'Halloran, a freelance journalist, attempted to ask the ATF Public Relations Bureau why a Dipole Might expert just happened to be in the courthouse at that moment, and how he could immediately have known the exact nature of the bomb, O'Halloran, rather than given a rational explanation, was accused of attacking the agency and was promised a fax of agency views on Right-wing conspiracists (which never arrived).

The machine now uses eighty-eight hundred of the new five-centimeter aperture dipoles and needs an extra kilometer or so of tunnel.

The dipoles are all fed by open wire feeders which can be remotely switched to enable radiation in two directions 180 degrees apart.

At the top of the mast the dipoles had disappeared and the whip antennas were bent at ninety degrees.

Expensive equipment was often marked with tiny dipoles, and getting caught with a missing man's toys was an error too stupid for serious consideration.

A RADIO WITH A DIPOLE antenna is not required for Jean-Baptiste Chandonne to know the breaking news.

This would unfurl the largest simple dipole antenna humanity had ever made.

We've got almost a thousand miles of wire with a weight on the end trailing behind us for a dipole antenna, and I really could use a couple of thousand miles more except that I haven't been able to figure a way to keep the drive from melting it, and I've got I don't know how many thousands of stiff wires making pincushions out of Yggdrasil's crown and root ball, but you can appreciate that definition's still a problem.

This ship was notably different from Jovian-system machines primarily because of its gleaming magnetic dipole core and its sporty outrider deflectors.

There's not much of a field now, of course, but three billion years ago the magnetic dipole field was pretty healthy around here.