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trinocular

[trahy-nok-yuh-ler] /traɪˈnɒk yə lər/
adjective, Microscopy
1.
of or pertaining to a binocular microscope equipped with a third lens system for photographic recording.
Origin
1955-1960
1955-60; tri- + (bi)nocular
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for trinocular

trinocular

/traɪˈnɒkjʊlə/
adjective
1.
of or relating to a binocular microscope having a lens for photographic recording while direct visual observation is taking place
Word Origin
C20: from tri- + (bi)nocular
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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