trimetrogon

English

Etymology

tri- +‎ metrogon

Noun

trimetrogon (plural trimetrogons)

  1. A single assembly of three cameras at differing angles, used for aerial photographic surveys.
  2. An image produced by this means.
    • 1993, Malcolm Mellor, chapter 1, in Notes on Antarctic Aviation‎, US Army Corps of Engineers Cold Regions Research & Engineering Laboratory, page 8:
      [H]igh-quality trimetragon photography was acquired for much of Antarctica, permitting detailed and accurate mapping[.]
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