chatter

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chatter

the undulating pattern of marks in a machined surface from the vibration of the tool or workpiece
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

chatter

[′chad·ər]
(electricity)
Prolonged undesirable opening and closing of electric contacts, as on a relay. Also known as contact chatter.
(engineering)
An irregular alternating motion of the parts of a relief valve due to the application of pressure where contact is made between the valve disk and the seat.
(engineering acoustics)
Vibration of a disk-recorder cutting stylus in a direction other than that in which it is driven.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

chatter

A type of vibration in a hydraulic pump resulting from the ingestion of air into the system.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
The commentariat and chattering classes should have understood that Pervez Musharraf was under trial, and like any other accused normally would do, he was taking recourse to the pleas and appeals to secure relief.
Both our palmed-off nobility as well as their patrons in Washington, Kabul and an assortment of western capitals, nevertheless, have had so far a heyday in prostrating Pakistan for the US-led armies' war humiliations on their Afghan front simply because the Pakistani establishment has been throughout been too timid and too tardy in nailing the perfidy of Afghanistan occupiers and their toadies and lackeys in our commentariat, chattering classes and media glitterati.
Such a political prize will have been well noted among the London chattering classes , including many of great influence in the Labour Party.
IT entered the political lexicon and became known among the chattering classes as "doing a Newcastle".
President Obama set the chattering classes abuzz after his unilateral announcement to raise the minimum wage.
WHILE the brilliant and seemingly prophetic BBC2 comedy Twenty Twelve satisfies the cynicism of the chattering classes, at the tougher end of the social strata the Olympics is something to take dead seriously.
SUZANNE MALONEY'S April piece, "The Case for Containing a Nuclear Iran," prompted strong opinions from the chattering classes. Atlantic columnists JEFFREY GOLDBERG and JAMES FALLOWS pointed to the article as required reading on the Iran problem, and Maloney was a featured guest on NPR's Talk of the Nation and the PBS News Hour, where she spoke about containment strategies that would allow Iran to have nonmilitary nuclear technology, subject to, as she writes in her article, "intrusive international inspections and restrictions."
Certainly the chattering classes are pushing the notion hard, arguing that the dawning age of austerity is responsible for the nation's slow-lo-nonexistent economic recovery.
Please include your initials and where you live * NO doubt the liberal chattering classes will be tripping over themselves to blame poverty for the recent outbreak of looting and pillaging in London.
Labour's hunting ban, which came into force in 2005, was always about the metropolitan chattering classes slapping down rural dwellers.
It's not the first time Mr Hain has mocked the claims of the "chattering classes".
The forum's agenda included discussions on the most pressing issues within the ICT sector in Jordan and the region including the Mena ecosystem, outsourcing, chattering classes, new trends, and social media applications on the Internet.