trimetrogon
noun
tri·met·ro·gon
\trīˈme‧trəˌgän\
Definition of trimetrogon
-s
: a system of aerial mapping involving the use of a single assembly containing three cameras with which one vertical and two oblique right and left aerial photographs are taken simultaneously at regular intervals over the area being mapped
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Origin and Etymology of trimetrogon
tri- + Greek metron measure + English -gon
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