angle of depression


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angle of depression

1. The angle in a vertical plane between the horizontal and a descending line.
2. In air photography, the angle between the optical axis of an obliquely mounted air camera and the horizontal. Also called depression angle. See also tilt angle.
Translations
angle de dépression
References in periodicals archive ?
The angle of depression can be measured with reference to a horizontal line that projects out from the slope rather than in to it.