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Wiktionary
communications

n. 1 (plural of communication English) 2 (context pluralonly English) telecommunications, the science and technology of communicating, especially by electronic means.

WordNet
communications

n. the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); "communications is his major field of study" [syn: communication theory]

Usage examples of "communications".

Eight days earlier, in a windowless blockhouse in West Germany, an NSA intercept operator assigned to monitor Czechoslovakian military air communications turned his large black frequency dial to 114.

The communications lines would have been buzzing with pleas by worried relatives for information on loved ones interned in various French camps.

Unlike the standard high-frequency communications, which were vulnerable to foreign direction-finding antennas, the moon-bounce signal was virtually undetectable because it used hard-to-intercept directional microwave signals.

Thereafter, ASA dropped its study of Chinese Communist military ciphers and communications and turned its attention almost exclusively toward Russia.

Herrelko, a burly one-time coal miner who worked for Canine as his director of communications security, the codemaking side of the business.

Allied ability to eavesdrop on a wide range of German communications that it has recently led to troubling questions about how early in the war the Allies discovered evidence of the Holocaust.

NSA study undertaken by Hanyok, Allied communications intelligence would have picked up indications of this roundup from the cable lines and airwaves linking Vichy France with foreign capitals.

The next morning, having spent the night in a former German Air Force headquarters, the team discovered a communications center in the basement.

Then, like magic, high-level encrypted Russian communications, pulled from the ether, began spewing forth in readable plaintext.

During the war, Vint Hill played a pivotal role in eavesdropping on enemy communications for thousands of miles in all directions.

They were able to eavesdrop on key Russian diplomatic and military communications sent over the Fish machine.

North Korean military would read the Morse code over the communications channels rather than tap it out with a key.

A team set up in Nanjing to intercept Nationalist communications was hampered by unreliable electrical power.

Ironically, as the United States struggled, the British had been secretly listening to Chinese Communist communications for years.

But that same month, the earphones of most of the intercept operators went silent as the North Koreans switched much of their radio communications to the security of landlines.