#azimutal
- Alidade — A sighting device or movable part structurally integrated into geodesic, topographic, or astronomical instruments (such as theodolites, sextants, or telescopes) that rotates around a central axis. This precision assembly carries index marks, verniers, or reading microscopes, being utilized for the rigorous measurement of azimuthal or vertical angles by achieving perfect visual alignment with field landmarks.
- Azimuthal — Pertaining to azimuth, belonging to azimuth, or carried out within the horizontal plane of the azimuth; often used to describe telescope mounts, map projections, or measuring instruments that utilize horizontal coordinates based on the angle formed with the North direction.