trimetrogon

American

[trahy-me-truh-gon] / traɪˈmɛ trəˌgɒn /

adjective

of or relating to a system of aerial photography using three cameras, one pointed directly downward and the others at 60° to it.

trimetrogon British

/ traɪˈmɛtrəˌɡɒn /

noun

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

"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

Etymology

Origin of trimetrogon

1940–45; tri- + Greek métro ( n ) measure + -gon

Example Sentences

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See Examples For:

trimetrogon

The trimetrogon method, by making it possible to space charting flights 25 miles apart instead of only four to six, has enormously accelerated mapping.

From Time Magazine Archive

The most important new invention is "trimetrogon" photography.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023