1. Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
   - alidad 
2. Surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
   - alidad

Derived forms: alidades

Type of: surveying instrument, surveyor's instrument

Part of: theodolite, transit

Encyclopedia: Alidade

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• UPPP
• Uppsala
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• upright
• upright piano
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• ups and downs