trimetrogon

[trahy-me-truh-gon]

adjective

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

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 History and Origins

Origin of trimetrogon¹

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

Word History and Origins

Origin of trimetrogon¹

from _tri- + metro- , from Greek metron measure + _-gon

Example Sentences

The most important new invention is "trimetrogon" photography.

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

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