- of or relating to a system of aerial photography using three cameras, one pointed directly downward and the others at 60° to it.
Origin of trimetrogon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a method of aerial photography for rapid topographic mapping, in which one vertical and two oblique photographs are taken simultaneously
- (as modifier)trimetrogon photography
from tri- + metro-, from Greek metron measure + -gon