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- (anthropology/archaeology) a magnetic bearing sighted from your position to a known landmark. Used in navigation and in determining site locations.
- (geology) Direction of a horizontal line as measured on an imaginary horizontal circle, the horizontal direction reckoned clockwise from the meridian plane of the observer, expressed as the angular distance between the vertical plane passing through the point of observation and the poles of the Earth and the vertical plane passing through the observer and the object under observation. In the basic control surveys of the United States, azimuths are measured clockwise from south, a practice not followed in all countries. CF: bearing
Source: Dictionary of Mining, Mineral, and Related Terms