Dictionary  hadePronunciation: (hād), [key] —n., v., had•ed, had•ing. —n. 1. Geol.the angle between a fault plane and the vertical, measured perpendicular to the strike of the fault; complement of the dip. 2. Mining.the inclination of a vein or seam from the vertical. —v.i. (of a fault, vein, or seam) to incline from a vertical position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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