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Of two or more people, confused about what they are saying or doing because of misunderstanding one another. In a court of law, to test or check the previous evidence of (a witness) by questioning him. To check information, calculations etc by using different sources or a different method. Published by Houghton Mifflin Harcourt Publishing Company. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company.
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The American Heritage® Student Science Dictionary, Second Edition.
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