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• a  operating or moving or allowing movement in one direction only
  a unidirectional flow
  a unidirectional antenna
  a unidirectional approach to a problem

• From the middle of last year until a month or so ago, the interpretation of almost all economic information was negative because the data was unidirectional.
• BEAZLE: In long, he proceeds in a continuous unidirectional ever-varying interplay of organism and environment.

• bidirectional

News & Articles

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• Waterfall Security Solutions Announces Support for OSIsoft PI Asset Framework
  NEW YORK, June 10, 2013 /PRNewswire/ -- Waterfall Security Solutions Ltd., the leading provider of Unidirectional Security Gateways for industrial control networks and critical infrastructures, announces ...
  June 10, 2013 - PR Newswire via Yahoo! Finance

Quotes

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• Abby Joseph Cohen in Reuters
  We think what's a mistake in commodities, the way it is in stock prices if anything else, is to think it's unidirectional. It's a trading range,Cohen told the Reuters Investment Outlook Summit in New York.
• Pawan Kumar Bansal in Reuters India
  The gestures have become one-sided and unidirectional and are all done by Israel. After it has become clear that they are inefficient, the government must not be seen as groveling. This fails to serve Israel and only harms us. Any move humiliating... Eli Yishai http://www.google.com/url?q=http://en.wikipedia.org/wiki/Eli_Yishai&source=dictionary&usg=AFQjCNE34IE7bmHleuM2XBuxNcO-9Fw5bA Ynetnews http://www.google.com/url?q=http://www.ynetnews.com/articles/0,7340,L-3583445,00.html&source=dictionary&usg=AFQjCNGoZLHQqBpRhN_6N9jcxYt_2g49RQ Aug 16, 2008 104847 138205 unidirectional Government does not perceive any existence of inflationary spiral as the rate of inflation have not followed a unidirectional upward trend," Pawan Kumar Bansal said in his written reply.