Definition of fan
i. To drill a number of boreholes each in a different horizontal or vertical direction from a single drill setup.
Ref: Long
ii. An accumulation of debris brought down by a stream descending through a steep ravine and debouching in the plain beneath, where the detrital material spreads out in the shape of a fan, forming a section of a very low cone.
See Also: alluvial fan
Ref: Long
ii. An accumulation of debris brought down by a stream descending through a steep ravine and debouching in the plain beneath, where the detrital material spreads out in the shape of a fan, forming a section of a very low cone.
See Also: alluvial fan