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trimetrogon

[trahy-me-truh-gon] /traɪˈmɛ trəˌgɒn/
adjective
1.
of or pertaining to a system of aerial photography using three cameras, one pointed directly downward and the others at 60° to it.
Origin
1940-1945
1940-45; tri- + Greek métro(n) measure + -gon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for trimetrogon
  • Most of the aerial photography is vertical, but some trimetrogon and oblique prints are available.
British Dictionary definitions for trimetrogon

trimetrogon

/traɪˈmɛtrəˌɡɒn/
noun
1.
  1. a method of aerial photography for rapid topographic mapping, in which one vertical and two oblique photographs are taken simultaneously
  2. (as modifier): trimetrogon photography
Word Origin
from tri- + metro-, from Greek metron measure + -gon
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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