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Chatter is a signals intelligence term, referring to the volume (quantity) of intercepted communications. Intelligence officials, not having better metrics, monitor the volume of communication, to or from suspected parties such as terrorists or spies, to determine whether there is cause for alarm.
Chatter (signals intelligence), the volume of communication to or from suspected terrorists or spies; Chatter (software) [broken anchor], enterprise social networking software; Undesirable small rapid vibrations in a mechanical system: Chatter (contacts) or contact bounce, a common problem with mechanical switches and relays
A chatter mark is an irregular surface flaw left by a wheel that is out of true (off-center) in grinding, [1] or regular marks left when turning a long piece on a lathe, due to machining vibrations. As early as 1907, Frederick W. Taylor described machining vibrations as the most obscure and delicate of all the problems facing the machinist , an ...
In the United States, the term has come to be used by both the left and right and to describe political opponents, with Stephen Perrault of the Merriam-Webster dictionary suggesting that the term has "connotations of idleness, of useless talk, that the noun 'chatter' does. ... These people don't amount to much—they like to hear themselves talk."
The codes are intended for use by air, ground, sea, and space operations personnel at the tactical level. Code words that are followed by an asterisk (*) may differ in meaning from NATO usage. There is a key provided below to describe what personnel use which codes, as codes may have multiple meanings depending on the service.
Being Yiddish, the meaning can change by the use of gestures and a change in tone, so that tsatskele can become the favorite child. Leo Rosten , author of The Joys of Yiddish , combines the two main meanings and gives an alternative sense of tchotchke as meaning a young girl, a "pretty young thing".
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The word may also come from Old French jargon meaning "chatter of birds". [17] Middle English also has the verb jargounen meaning "to chatter", or "twittering", deriving from Old French. [18] The Canterbury Tales by Geoffrey Chaucer is the first known use of the term "jargon" in English literature.